13012669 has 2 divisors, whose sum is σ = 13012670. Its totient is φ = 13012668.

The previous prime is 13012609. The next prime is 13012679. The reversal of 13012669 is 96621031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 1923769 = 3330^2 + 1387^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012669 - 2²¹ = 10915517 is a prime.

It is a super-2 number, since 2×13012669² = 338659109007122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506334 + 6506335.

It is an arithmetic number, because the mean of its divisors is an integer number (6506335).

Almost surely, 2^13012669 is an apocalyptic number.

It is an amenable number.

13012669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012669 is an equidigital number, since it uses as much as digits as its factorization.

13012669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 13012669 is about 3607.3077218336. The cubic root of 13012669 is about 235.2098261760.

The spelling of 13012669 in words is "thirteen million, twelve thousand, six hundred sixty-nine".