13172690 has 16 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 5156784.

The previous prime is 13172689. The next prime is 13172713. The reversal of 13172690 is 9627131.

It is a super-2 number, since 2×13172690² = 347039523672200, which contains 22 as substring.

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, 13544 + ... + 14483.

It is an arithmetic number, because the mean of its divisors is an integer number (1513512).

Almost surely, 2^13172690 is an apocalyptic number.

13172690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13172690 is a deficient number, since it is larger than the sum of its proper divisors (11043502).

13172690 is a wasteful number, since it uses less digits than its factorization.

13172690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28081.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13172690 is about 3629.4200638670. The cubic root of 13172690 is about 236.1700512397.

The spelling of 13172690 in words is "thirteen million, one hundred seventy-two thousand, six hundred ninety".