12172494 has 8 divisors (see below), whose sum is σ = 24345000. Its totient is φ = 4057496.

The previous prime is 12172487. The next prime is 12172513. The reversal of 12172494 is 49427121.

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

12172494 is an admirable number.

It is a super-2 number, since 2×12172494² = 296339220360072, which contains 22 as substring.

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, 1014369 + ... + 1014380.

It is an arithmetic number, because the mean of its divisors is an integer number (3043125).

Almost surely, 2^12172494 is an apocalyptic number.

12172494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12172494 is a wasteful number, since it uses less digits than its factorization.

12172494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028754.

The product of its digits is 4032, while the sum is 30.

The square root of 12172494 is about 3488.9101450166. The cubic root of 12172494 is about 230.0346135682.

The spelling of 12172494 in words is "twelve million, one hundred seventy-two thousand, four hundred ninety-four".