13158944 has 48 divisors (see below), whose sum is σ = 28486080. Its totient is φ = 5955840.

The previous prime is 13158913. The next prime is 13158961. The reversal of 13158944 is 44985131.

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, 13514 + ... + 14454.

It is an arithmetic number, because the mean of its divisors is an integer number (593460).

Almost surely, 2^13158944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13158944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14243040).

13158944 is an abundant number, since it is smaller than the sum of its proper divisors (15327136).

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

13158944 is a wasteful number, since it uses less digits than its factorization.

13158944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 985 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 13158944 is about 3627.5258786120. The cubic root of 13158944 is about 236.0878730512.

The spelling of 13158944 in words is "thirteen million, one hundred fifty-eight thousand, nine hundred forty-four".