12677261 has 2 divisors, whose sum is σ = 12677262. Its totient is φ = 12677260.

The previous prime is 12677219. The next prime is 12677299. The reversal of 12677261 is 16277621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 469225 = 3494^2 + 685^2 .

It is an emirp because it is prime and its reverse (16277621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12677261 is a prime.

It is equal to p₈₂₉₅₂₆ and since 12677261 and 829526 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 (12677201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338630 + 6338631.

It is an arithmetic number, because the mean of its divisors is an integer number (6338631).

Almost surely, 2^12677261 is an apocalyptic number.

It is an amenable number.

12677261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12677261 is an equidigital number, since it uses as much as digits as its factorization.

12677261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 12677261 is about 3560.5141482657. The cubic root of 12677261 is about 233.1713267717.

The spelling of 12677261 in words is "twelve million, six hundred seventy-seven thousand, two hundred sixty-one".