12926761 has 2 divisors, whose sum is σ = 12926762. Its totient is φ = 12926760.

The previous prime is 12926747. The next prime is 12926803. The reversal of 12926761 is 16762921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 571536 = 3515^2 + 756^2 .

It is a cyclic number.

It is not a de Polignac number, because 12926761 - 2⁵ = 12926729 is a prime.

It is a super-2 number, since 2×12926761² = 334202299902242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12926701) 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, 6463380 + 6463381.

It is an arithmetic number, because the mean of its divisors is an integer number (6463381).

Almost surely, 2^12926761 is an apocalyptic number.

It is an amenable number.

12926761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12926761 is an equidigital number, since it uses as much as digits as its factorization.

12926761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 12926761 is about 3595.3805083746. The cubic root of 12926761 is about 234.6910743792.

The spelling of 12926761 in words is "twelve million, nine hundred twenty-six thousand, seven hundred sixty-one".