13901825 has 48 divisors (see below), whose sum is σ = 21486720. Its totient is φ = 8709120.

The previous prime is 13901819. The next prime is 13901827. The reversal of 13901825 is 52810931.

It is a de Polignac number, because none of the positive numbers 2^k-13901825 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13901827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122969 + ... + 123081.

It is an arithmetic number, because the mean of its divisors is an integer number (447640).

It is a Proth number, since it is equal to 1697 ⋅ 2¹³ + 1 and 1697 < 2¹³.

Almost surely, 2^13901825 is an apocalyptic number.

It is an amenable number.

13901825 is a deficient number, since it is larger than the sum of its proper divisors (7584895).

13901825 is a wasteful number, since it uses less digits than its factorization.

13901825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13901825 is about 3728.5151199908. The cubic root of 13901825 is about 240.4495336297.

The spelling of 13901825 in words is "thirteen million, nine hundred one thousand, eight hundred twenty-five".