13232290 has 32 divisors (see below), whose sum is σ = 25400304. Its totient is φ = 4945920.

The previous prime is 13232287. The next prime is 13232311. The reversal of 13232290 is 9223231.

It can be written as a sum of positive squares in 8 ways, for example, as 6456681 + 6775609 = 2541^2 + 2603^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46950 + ... + 47230.

Almost surely, 2^13232290 is an apocalyptic number.

13232290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13232290 is a deficient number, since it is larger than the sum of its proper divisors (12168014).

13232290 is a wasteful number, since it uses less digits than its factorization.

13232290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13232290 is about 3637.6214756349. The cubic root of 13232290 is about 236.5257001781.

The spelling of 13232290 in words is "thirteen million, two hundred thirty-two thousand, two hundred ninety".