12944131 has 4 divisors (see below), whose sum is σ = 12986064. Its totient is φ = 12902200.

The previous prime is 12944119. The next prime is 12944153. The reversal of 12944131 is 13144921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13144921 = 797 ⋅16493.

It is a cyclic number.

It is not a de Polignac number, because 12944131 - 2¹³ = 12935939 is a prime.

It is a super-2 number, since 2×12944131² = 335101054690322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12944096 and 12944105.

It is not an unprimeable number, because it can be changed into a prime (12944231) 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, 20500 + ... + 21121.

It is an arithmetic number, because the mean of its divisors is an integer number (3246516).

Almost surely, 2^12944131 is an apocalyptic number.

12944131 is a deficient number, since it is larger than the sum of its proper divisors (41933).

12944131 is an equidigital number, since it uses as much as digits as its factorization.

12944131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41932.

The product of its digits is 864, while the sum is 25.

The square root of 12944131 is about 3597.7952971229. The cubic root of 12944131 is about 234.7961473461.

The spelling of 12944131 in words is "twelve million, nine hundred forty-four thousand, one hundred thirty-one".