12494131 has 4 divisors (see below), whose sum is σ = 13455232. Its totient is φ = 11533032.

The previous prime is 12494107. The next prime is 12494137. The reversal of 12494131 is 13149421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12494131 is a prime.

It is a super-2 number, since 2×12494131² = 312206618890322, 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 = 12494096 and 12494105.

It is not an unprimeable number, because it can be changed into a prime (12494137) 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, 480531 + ... + 480556.

It is an arithmetic number, because the mean of its divisors is an integer number (3363808).

Almost surely, 2^12494131 is an apocalyptic number.

12494131 is a deficient number, since it is larger than the sum of its proper divisors (961101).

12494131 is an equidigital number, since it uses as much as digits as its factorization.

12494131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961100.

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

The square root of 12494131 is about 3534.7038065445. The cubic root of 12494131 is about 232.0431140147.

The spelling of 12494131 in words is "twelve million, four hundred ninety-four thousand, one hundred thirty-one".