13144432 has 20 divisors (see below), whose sum is σ = 29105776. Its totient is φ = 5633280.

The previous prime is 13144423. The next prime is 13144459. The reversal of 13144432 is 23444131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58569 + ... + 58792.

Almost surely, 2^13144432 is an apocalyptic number.

It is an amenable number.

13144432 is an abundant number, since it is smaller than the sum of its proper divisors (15961344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144432 is a wasteful number, since it uses less digits than its factorization.

13144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117376 (or 117370 counting only the distinct ones).

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

The square root of 13144432 is about 3625.5250654216. The cubic root of 13144432 is about 236.0010533325.

Adding to 13144432 its reverse (23444131), we get a palindrome (36588563).

The spelling of 13144432 in words is "thirteen million, one hundred forty-four thousand, four hundred thirty-two".