12319139 has 12 divisors (see below), whose sum is σ = 14536368. Its totient is φ = 10407600.

The previous prime is 12319129. The next prime is 12319193. The reversal of 12319139 is 93191321.

It is not a de Polignac number, because 12319139 - 2⁸ = 12318883 is a prime.

It is a super-2 number, since 2×12319139² = 303522371402642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12319129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1709 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (1211364).

Almost surely, 2^12319139 is an apocalyptic number.

12319139 is a deficient number, since it is larger than the sum of its proper divisors (2217229).

12319139 is an equidigital number, since it uses as much as digits as its factorization.

12319139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3619 counting only the distinct ones).

The product of its digits is 1458, while the sum is 29.

The square root of 12319139 is about 3509.8631027435. The cubic root of 12319139 is about 230.9546896132.

The spelling of 12319139 in words is "twelve million, three hundred nineteen thousand, one hundred thirty-nine".