13455444 has 24 divisors (see below), whose sum is σ = 31463488. Its totient is φ = 4475520.

The previous prime is 13455443. The next prime is 13455467. The reversal of 13455444 is 44455431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6684 + ... + 8460.

Almost surely, 2^13455444 is an apocalyptic number.

It is an amenable number.

13455444 is an abundant number, since it is smaller than the sum of its proper divisors (18008044).

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

13455444 is a wasteful number, since it uses less digits than its factorization.

13455444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2413 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 13455444 is about 3668.1662993927. The cubic root of 13455444 is about 237.8479126256.

The spelling of 13455444 in words is "thirteen million, four hundred fifty-five thousand, four hundred forty-four".