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12026965 = 52405393
BaseRepresentation
bin101101111000…
…010001010101
3211122000220011
4231320101111
511034330330
61105440221
7204141016
oct55702125
924560804
1012026965
116875045
124040071
132651362
14185100d
1510c882a
hexb78455

12026965 has 4 divisors (see below), whose sum is σ = 14432364. Its totient is φ = 9621568.

The previous prime is 12026923. The next prime is 12026983. The reversal of 12026965 is 56962021.

12026965 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56962021 = 569100109.

It can be written as a sum of positive squares in 2 ways, for example, as 3721041 + 8305924 = 1929^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 12026965 - 29 = 12026453 is a prime.

It is a super-2 number, since 2×120269652 = 289295774222450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202692 + ... + 1202701.

It is an arithmetic number, because the mean of its divisors is an integer number (3608091).

Almost surely, 212026965 is an apocalyptic number.

It is an amenable number.

12026965 is a deficient number, since it is larger than the sum of its proper divisors (2405399).

12026965 is an equidigital number, since it uses as much as digits as its factorization.

12026965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405398.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12026965 is about 3467.9914936459. The cubic root of 12026965 is about 229.1142047771.

Adding to 12026965 its reverse (56962021), we get a palindrome (68988986).

The spelling of 12026965 in words is "twelve million, twenty-six thousand, nine hundred sixty-five".

Divisors: 1 5 2405393 12026965