12765377 has 2 divisors, whose sum is σ = 12765378. Its totient is φ = 12765376.

The previous prime is 12765349. The next prime is 12765383. The reversal of 12765377 is 77356721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 2163841 = 3256^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 12765377 - 2⁸ = 12765121 is a prime.

It is equal to p₈₃₄₉₆₈ and since 12765377 and 834968 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12765377.

It is not a weakly prime, because it can be changed into another prime (12765877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382688 + 6382689.

It is an arithmetic number, because the mean of its divisors is an integer number (6382689).

Almost surely, 2^12765377 is an apocalyptic number.

It is an amenable number.

12765377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12765377 is an equidigital number, since it uses as much as digits as its factorization.

12765377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 38.

The square root of 12765377 is about 3572.8667761337. The cubic root of 12765377 is about 233.7103155485.

The spelling of 12765377 in words is "twelve million, seven hundred sixty-five thousand, three hundred seventy-seven".