13044312 has 48 divisors (see below), whose sum is σ = 36869040. Its totient is φ = 4158528.

The previous prime is 13044293. The next prime is 13044323. The reversal of 13044312 is 21344031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2283 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (768105).

Almost surely, 2^13044312 is an apocalyptic number.

13044312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13044312 is an abundant number, since it is smaller than the sum of its proper divisors (23824728).

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

13044312 is a wasteful number, since it uses less digits than its factorization.

13044312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912 (or 7905 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13044312 is about 3611.6910166846. The cubic root of 13044312 is about 235.4003256502.

Adding to 13044312 its reverse (21344031), we get a palindrome (34388343).

The spelling of 13044312 in words is "thirteen million, forty-four thousand, three hundred twelve".