12931494 has 16 divisors (see below), whose sum is σ = 26093232. Its totient is φ = 4272128.

The previous prime is 12931493. The next prime is 12931549. The reversal of 12931494 is 49413921.

It is a super-3 number, since 3×12931494³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8859 + ... + 10214.

It is an arithmetic number, because the mean of its divisors is an integer number (1630827).

Almost surely, 2^12931494 is an apocalyptic number.

12931494 is an abundant number, since it is smaller than the sum of its proper divisors (13161738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12931494 is a wasteful number, since it uses less digits than its factorization.

12931494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19191.

The product of its digits is 7776, while the sum is 33.

The square root of 12931494 is about 3596.0386538523. The cubic root of 12931494 is about 234.7197141216.

The spelling of 12931494 in words is "twelve million, nine hundred thirty-one thousand, four hundred ninety-four".