12877213 has 2 divisors, whose sum is σ = 12877214. Its totient is φ = 12877212.

The previous prime is 12877181. The next prime is 12877219. The reversal of 12877213 is 31277821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 1708249 = 3342^2 + 1307^2 .

It is an emirp because it is prime and its reverse (31277821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12877213 - 2⁵ = 12877181 is a prime.

It is a super-2 number, since 2×12877213² = 331645229294738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12877219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6438606 + 6438607.

It is an arithmetic number, because the mean of its divisors is an integer number (6438607).

Almost surely, 2^12877213 is an apocalyptic number.

It is an amenable number.

12877213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12877213 is an equidigital number, since it uses as much as digits as its factorization.

12877213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 12877213 is about 3588.4833843840. The cubic root of 12877213 is about 234.3908351494.

The spelling of 12877213 in words is "twelve million, eight hundred seventy-seven thousand, two hundred thirteen".