12673131 has 4 divisors (see below), whose sum is σ = 16897512. Its totient is φ = 8448752.

The previous prime is 12673123. The next prime is 12673139. The reversal of 12673131 is 13137621.

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

It is an interprime number because it is at equal distance from previous prime (12673123) and next prime (12673139).

It is a cyclic number.

It is not a de Polignac number, because 12673131 - 2³ = 12673123 is a prime.

It is a super-2 number, since 2×12673131² = 321216498686322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12673139) 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, 2112186 + ... + 2112191.

It is an arithmetic number, because the mean of its divisors is an integer number (4224378).

Almost surely, 2^12673131 is an apocalyptic number.

12673131 is the 2252-nd centered pentagonal number.

12673131 is a deficient number, since it is larger than the sum of its proper divisors (4224381).

12673131 is an equidigital number, since it uses as much as digits as its factorization.

12673131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224380.

The product of its digits is 756, while the sum is 24.

The square root of 12673131 is about 3559.9341286041. The cubic root of 12673131 is about 233.1460031582.

The spelling of 12673131 in words is "twelve million, six hundred seventy-three thousand, one hundred thirty-one".