13444580 has 12 divisors (see below), whose sum is σ = 28233660. Its totient is φ = 5377824.

The previous prime is 13444553. The next prime is 13444591. The reversal of 13444580 is 8544431.

13444580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8916196 + 4528384 = 2986^2 + 2128^2 .

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, 336095 + ... + 336134.

It is an arithmetic number, because the mean of its divisors is an integer number (2352805).

Almost surely, 2^13444580 is an apocalyptic number.

13444580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13444580 is an abundant number, since it is smaller than the sum of its proper divisors (14789080).

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

13444580 is a wasteful number, since it uses less digits than its factorization.

13444580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672238 (or 672236 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 13444580 is about 3666.6851514686. The cubic root of 13444580 is about 237.7838821490.

The spelling of 13444580 in words is "thirteen million, four hundred forty-four thousand, five hundred eighty".