12681164 has 12 divisors (see below), whose sum is σ = 22664544. Its totient is φ = 6205584.

The previous prime is 12681127. The next prime is 12681187. The reversal of 12681164 is 46118621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33539 + ... + 33914.

It is an arithmetic number, because the mean of its divisors is an integer number (1888712).

Almost surely, 2^12681164 is an apocalyptic number.

It is an amenable number.

12681164 is a deficient number, since it is larger than the sum of its proper divisors (9983380).

12681164 is a wasteful number, since it uses less digits than its factorization.

12681164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67504 (or 67502 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 12681164 is about 3561.0622010855. The cubic root of 12681164 is about 233.1952534519.

Adding to 12681164 its reverse (46118621), we get a palindrome (58799785).

The spelling of 12681164 in words is "twelve million, six hundred eighty-one thousand, one hundred sixty-four".