12658964 has 24 divisors (see below), whose sum is σ = 23305800. Its totient is φ = 6007680.

The previous prime is 12658957. The next prime is 12658967. The reversal of 12658964 is 46985621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1716100 + 10942864 = 1310^2 + 3308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12658967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6182 + ... + 7970.

It is an arithmetic number, because the mean of its divisors is an integer number (971075).

Almost surely, 2^12658964 is an apocalyptic number.

It is an amenable number.

12658964 is a deficient number, since it is larger than the sum of its proper divisors (10646836).

12658964 is a wasteful number, since it uses less digits than its factorization.

12658964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1881 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 12658964 is about 3557.9437882013. The cubic root of 12658964 is about 233.0590945911.

The spelling of 12658964 in words is "twelve million, six hundred fifty-eight thousand, nine hundred sixty-four".