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12072769 = 23717393
BaseRepresentation
bin101110000011…
…011101000001
3211201100201121
4232003131001
511042312034
61110432241
7204421402
oct56033501
924640647
1012072769
1168a64a5
124062681
132669167
1418639a9
1510d71b4
hexb83741

12072769 has 8 divisors (see below), whose sum is σ = 12776832. Its totient is φ = 11383680.

The previous prime is 12072763. The next prime is 12072773. The reversal of 12072769 is 96727021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12072769 - 29 = 12072257 is a prime.

It is a super-2 number, since 2×120727692 = 291503502654722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12072763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064 + ... + 5329.

It is an arithmetic number, because the mean of its divisors is an integer number (1597104).

Almost surely, 212072769 is an apocalyptic number.

It is an amenable number.

12072769 is a deficient number, since it is larger than the sum of its proper divisors (704063).

12072769 is an equidigital number, since it uses as much as digits as its factorization.

12072769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 12072769 is about 3474.5890404478. The cubic root of 12072769 is about 229.4046923823.

The spelling of 12072769 in words is "twelve million, seventy-two thousand, seven hundred sixty-nine".

Divisors: 1 23 71 1633 7393 170039 524903 12072769