12944135 has 4 divisors (see below), whose sum is σ = 15532968. Its totient is φ = 10355304.

The previous prime is 12944119. The next prime is 12944153. The reversal of 12944135 is 53144921.

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

It is a cyclic number.

It is not a de Polignac number, because 12944135 - 2⁴ = 12944119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12944098 and 12944107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294409 + ... + 1294418.

It is an arithmetic number, because the mean of its divisors is an integer number (3883242).

Almost surely, 2^12944135 is an apocalyptic number.

12944135 is a deficient number, since it is larger than the sum of its proper divisors (2588833).

12944135 is an equidigital number, since it uses as much as digits as its factorization.

12944135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588832.

The product of its digits is 4320, while the sum is 29.

The square root of 12944135 is about 3597.7958530189. The cubic root of 12944135 is about 234.7961715317.

The spelling of 12944135 in words is "twelve million, nine hundred forty-four thousand, one hundred thirty-five".