12975134 has 4 divisors (see below), whose sum is σ = 19462704. Its totient is φ = 6487566.

The previous prime is 12975113. The next prime is 12975139. The reversal of 12975134 is 43157921.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12975134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243782 + ... + 3243785.

It is an arithmetic number, because the mean of its divisors is an integer number (4865676).

Almost surely, 2^12975134 is an apocalyptic number.

12975134 is a deficient number, since it is larger than the sum of its proper divisors (6487570).

12975134 is an equidigital number, since it uses as much as digits as its factorization.

12975134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487569.

The product of its digits is 7560, while the sum is 32.

The square root of 12975134 is about 3602.1013311677. The cubic root of 12975134 is about 234.9834543957.

The spelling of 12975134 in words is "twelve million, nine hundred seventy-five thousand, one hundred thirty-four".