12621164 has 12 divisors (see below), whose sum is σ = 22134000. Its totient is φ = 6297168.

The previous prime is 12621163. The next prime is 12621197. The reversal of 12621164 is 46112621.

It is not an unprimeable number, because it can be changed into a prime (12621163) 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, 1064 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (1844500).

Almost surely, 2^12621164 is an apocalyptic number.

It is an amenable number.

12621164 is a deficient number, since it is larger than the sum of its proper divisors (9512836).

12621164 is a wasteful number, since it uses less digits than its factorization.

12621164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712 (or 6710 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 12621164 is about 3552.6277598420. The cubic root of 12621164 is about 232.8268897822.

Adding to 12621164 its reverse (46112621), we get a palindrome (58733785).

The spelling of 12621164 in words is "twelve million, six hundred twenty-one thousand, one hundred sixty-four".