13290232 has 16 divisors (see below), whose sum is σ = 25527600. Its totient is φ = 6482880.

The previous prime is 13290229. The next prime is 13290239. The reversal of 13290232 is 23209231.

It is a super-2 number, since 2×13290232² = 353260533227648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13290239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19932 + ... + 20587.

It is an arithmetic number, because the mean of its divisors is an integer number (1595475).

Almost surely, 2^13290232 is an apocalyptic number.

It is an amenable number.

13290232 is a deficient number, since it is larger than the sum of its proper divisors (12237368).

13290232 is a wasteful number, since it uses less digits than its factorization.

13290232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40566 (or 40562 counting only the distinct ones).

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

The square root of 13290232 is about 3645.5770462301. The cubic root of 13290232 is about 236.8704330752.

Adding to 13290232 its reverse (23209231), we get a palindrome (36499463).

The spelling of 13290232 in words is "thirteen million, two hundred ninety thousand, two hundred thirty-two".