13925138 has 16 divisors (see below), whose sum is σ = 22698240. Its totient is φ = 6382800.

The previous prime is 13925129. The next prime is 13925243. The reversal of 13925138 is 83152931.

13925138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4733 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (1418640).

Almost surely, 2^13925138 is an apocalyptic number.

13925138 is a deficient number, since it is larger than the sum of its proper divisors (8773102).

13925138 is a wasteful number, since it uses less digits than its factorization.

13925138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873.

The product of its digits is 6480, while the sum is 32.

The square root of 13925138 is about 3731.6401219839. The cubic root of 13925138 is about 240.5838677767.

The spelling of 13925138 in words is "thirteen million, nine hundred twenty-five thousand, one hundred thirty-eight".