13444475 has 12 divisors (see below), whose sum is σ = 18187080. Its totient is φ = 9777600.

The previous prime is 13444471. The next prime is 13444477. The reversal of 13444475 is 57444431.

13444475 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13444475 - 2² = 13444471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13444471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24170 + ... + 24719.

It is an arithmetic number, because the mean of its divisors is an integer number (1515590).

Almost surely, 2^13444475 is an apocalyptic number.

13444475 is a deficient number, since it is larger than the sum of its proper divisors (4742605).

13444475 is a wasteful number, since it uses less digits than its factorization.

13444475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48910 (or 48905 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 13444475 is about 3666.6708333310. The cubic root of 13444475 is about 237.7832631295.

The spelling of 13444475 in words is "thirteen million, four hundred forty-four thousand, four hundred seventy-five".