12662913 has 4 divisors (see below), whose sum is σ = 16883888. Its totient is φ = 8441940.

The previous prime is 12662899. The next prime is 12662939. The reversal of 12662913 is 31926621.

12662913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12662913 - 2⁹ = 12662401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110483 + ... + 2110488.

It is an arithmetic number, because the mean of its divisors is an integer number (4220972).

Almost surely, 2^12662913 is an apocalyptic number.

It is an amenable number.

12662913 is a deficient number, since it is larger than the sum of its proper divisors (4220975).

12662913 is an equidigital number, since it uses as much as digits as its factorization.

12662913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220974.

The product of its digits is 3888, while the sum is 30.

The square root of 12662913 is about 3558.4987002948. The cubic root of 12662913 is about 233.0833265551.

The spelling of 12662913 in words is "twelve million, six hundred sixty-two thousand, nine hundred thirteen".