13231044 has 36 divisors (see below), whose sum is σ = 33559344. Its totient is φ = 4395312.

The previous prime is 13231027. The next prime is 13231061. The reversal of 13231044 is 44013231.

13231044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13231027) and next prime (13231061).

It is a tau number, because it is divible by the number of its divisors (36).

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

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, 16419 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (932204).

Almost surely, 2^13231044 is an apocalyptic number.

It is an amenable number.

13231044 is an abundant number, since it is smaller than the sum of its proper divisors (20328300).

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

13231044 is a wasteful number, since it uses less digits than its factorization.

13231044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1259 counting only the distinct ones).

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

The square root of 13231044 is about 3637.4502058447. The cubic root of 13231044 is about 236.5182759083.

Adding to 13231044 its reverse (44013231), we get a palindrome (57244275).

The spelling of 13231044 in words is "thirteen million, two hundred thirty-one thousand, forty-four".