12911814 has 12 divisors (see below), whose sum is σ = 27975636. Its totient is φ = 4303932.

The previous prime is 12911777. The next prime is 12911819. The reversal of 12911814 is 41811921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358644 + ... + 358679.

It is an arithmetic number, because the mean of its divisors is an integer number (2331303).

Almost surely, 2^12911814 is an apocalyptic number.

12911814 is an abundant number, since it is smaller than the sum of its proper divisors (15063822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12911814 is a wasteful number, since it uses less digits than its factorization.

12911814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717331 (or 717328 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 12911814 is about 3593.3012676368. The cubic root of 12911814 is about 234.6005830228.

The spelling of 12911814 in words is "twelve million, nine hundred eleven thousand, eight hundred fourteen".