13132444 has 24 divisors (see below), whose sum is σ = 25105248. Its totient is φ = 5974080.

The previous prime is 13132417. The next prime is 13132487. The reversal of 13132444 is 44423131.

It is a super-2 number, since 2×13132444² = 344922170826272, which contains 22 as substring.

It is a congruent 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, 1914 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (1046052).

Almost surely, 2^13132444 is an apocalyptic number.

It is an amenable number.

13132444 is a deficient number, since it is larger than the sum of its proper divisors (11972804).

13132444 is a wasteful number, since it uses less digits than its factorization.

13132444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645 (or 3643 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 13132444 is about 3623.8714105222. The cubic root of 13132444 is about 235.9292855260.

Adding to 13132444 its reverse (44423131), we get a palindrome (57555575).

The spelling of 13132444 in words is "thirteen million, one hundred thirty-two thousand, four hundred forty-four".