13172494 has 8 divisors (see below), whose sum is σ = 19891800. Its totient is φ = 6541896.

The previous prime is 13172483. The next prime is 13172527. The reversal of 13172494 is 49427131.

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

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, 21804 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (2486475).

Almost surely, 2^13172494 is an apocalyptic number.

13172494 is a deficient number, since it is larger than the sum of its proper divisors (6719306).

13172494 is a wasteful number, since it uses less digits than its factorization.

13172494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44354.

The product of its digits is 6048, while the sum is 31.

The square root of 13172494 is about 3629.3930622075. The cubic root of 13172494 is about 236.1688798880.

It can be divided in two parts, 13 and 172494, that multiplied together give a palindrome (2242422).

The spelling of 13172494 in words is "thirteen million, one hundred seventy-two thousand, four hundred ninety-four".