13172930 has 32 divisors (see below), whose sum is σ = 24494400. Its totient is φ = 5098432.

The previous prime is 13172927. The next prime is 13172953. The reversal of 13172930 is 3927131.

It is a self number, because there is not a number n which added to its sum of digits gives 13172930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48836 + ... + 49104.

It is an arithmetic number, because the mean of its divisors is an integer number (765450).

Almost surely, 2^13172930 is an apocalyptic number.

13172930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13172930 is a deficient number, since it is larger than the sum of its proper divisors (11321470).

13172930 is a wasteful number, since it uses less digits than its factorization.

13172930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13172930 is about 3629.4531268498. The cubic root of 13172930 is about 236.1714855322.

The spelling of 13172930 in words is "thirteen million, one hundred seventy-two thousand, nine hundred thirty".