13444925 has 24 divisors (see below), whose sum is σ = 18410280. Its totient is φ = 9676800.

The previous prime is 13444919. The next prime is 13444927. The reversal of 13444925 is 52944431.

It can be written as a sum of positive squares in 12 ways, for example, as 10797796 + 2647129 = 3286^2 + 1627^2 .

It is not a de Polignac number, because 13444925 - 2¹⁶ = 13379389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13444891 and 13444900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12821 + ... + 13829.

It is an arithmetic number, because the mean of its divisors is an integer number (767095).

Almost surely, 2^13444925 is an apocalyptic number.

It is an amenable number.

13444925 is a deficient number, since it is larger than the sum of its proper divisors (4965355).

13444925 is a wasteful number, since it uses less digits than its factorization.

13444925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1068 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 13444925 is about 3666.7321963841. The cubic root of 13444925 is about 237.7859160476.

It can be divided in two parts, 13 and 444925, that multiplied together give a square (5784025 = 2405²).

The spelling of 13444925 in words is "thirteen million, four hundred forty-four thousand, nine hundred twenty-five".