12620677 has 2 divisors, whose sum is σ = 12620678. Its totient is φ = 12620676.

The previous prime is 12620653. The next prime is 12620687. The reversal of 12620677 is 77602621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 690561 = 3454^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 12620677 - 2⁷ = 12620549 is a prime.

It is a Chen prime.

It is equal to p₈₂₆₀₈₇ and since 12620677 and 826087 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12620687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310338 + 6310339.

It is an arithmetic number, because the mean of its divisors is an integer number (6310339).

Almost surely, 2^12620677 is an apocalyptic number.

It is an amenable number.

12620677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620677 is an equidigital number, since it uses as much as digits as its factorization.

12620677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 12620677 is about 3552.5592183664. The cubic root of 12620677 is about 232.8238951256.

The spelling of 12620677 in words is "twelve million, six hundred twenty thousand, six hundred seventy-seven".