12912134 has 16 divisors (see below), whose sum is σ = 21092400. Its totient is φ = 5904864.

The previous prime is 12912103. The next prime is 12912139. The reversal of 12912134 is 43121921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912139) 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, 4757 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (1318275).

Almost surely, 2^12912134 is an apocalyptic number.

12912134 is a deficient number, since it is larger than the sum of its proper divisors (8180266).

12912134 is a wasteful number, since it uses less digits than its factorization.

12912134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767.

The product of its digits is 432, while the sum is 23.

The square root of 12912134 is about 3593.3457946599. The cubic root of 12912134 is about 234.6025210817.

The spelling of 12912134 in words is "twelve million, nine hundred twelve thousand, one hundred thirty-four".