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12028693 is a prime number
BaseRepresentation
bin101101111000…
…101100010101
3211122010021011
4231320230111
511034404233
61105452221
7204146035
oct55705425
924563234
1012028693
116876376
124041071
132652091
1418518c5
1510c90cd
hexb78b15

12028693 has 2 divisors, whose sum is σ = 12028694. Its totient is φ = 12028692.

The previous prime is 12028669. The next prime is 12028699. The reversal of 12028693 is 39682021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 208849 = 3438^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 12028693 - 25 = 12028661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12028699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6014346 + 6014347.

It is an arithmetic number, because the mean of its divisors is an integer number (6014347).

Almost surely, 212028693 is an apocalyptic number.

It is an amenable number.

12028693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12028693 is an equidigital number, since it uses as much as digits as its factorization.

12028693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12028693 is about 3468.2406202569. The cubic root of 12028693 is about 229.1251770766.

It can be divided in two parts, 12028 and 693, that added together give a palindrome (12721).

The spelling of 12028693 in words is "twelve million, twenty-eight thousand, six hundred ninety-three".