13172330 has 16 divisors (see below), whose sum is σ = 24741504. Its totient is φ = 5039760.

The previous prime is 13172329. The next prime is 13172359. The reversal of 13172330 is 3327131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28406 + ... + 28865.

It is an arithmetic number, because the mean of its divisors is an integer number (1546344).

Almost surely, 2^13172330 is an apocalyptic number.

13172330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13172330 is a deficient number, since it is larger than the sum of its proper divisors (11569174).

13172330 is a wasteful number, since it uses less digits than its factorization.

13172330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57301.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13172330 is about 3629.3704688279. The cubic root of 13172330 is about 236.1678997685.

Adding to 13172330 its reverse (3327131), we get a palindrome (16499461).

The spelling of 13172330 in words is "thirteen million, one hundred seventy-two thousand, three hundred thirty".