12313491 has 8 divisors (see below), whose sum is σ = 17383824. Its totient is φ = 7726080.

The previous prime is 12313451. The next prime is 12313513. The reversal of 12313491 is 19431321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12313491 - 2⁷ = 12313363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12313451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120670 + ... + 120771.

It is an arithmetic number, because the mean of its divisors is an integer number (2172978).

Almost surely, 2^12313491 is an apocalyptic number.

12313491 is a deficient number, since it is larger than the sum of its proper divisors (5070333).

12313491 is a wasteful number, since it uses less digits than its factorization.

12313491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241461.

The product of its digits is 648, while the sum is 24.

The square root of 12313491 is about 3509.0584207163. The cubic root of 12313491 is about 230.9193886751.

The spelling of 12313491 in words is "twelve million, three hundred thirteen thousand, four hundred ninety-one".