13738725 has 144 divisors (see below), whose sum is σ = 33581184. Its totient is φ = 5184000.

The previous prime is 13738717. The next prime is 13738849. The reversal of 13738725 is 52783731.

13738725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13738725 - 2³ = 13738717 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13738725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 225195 + ... + 225255.

Almost surely, 2^13738725 is an apocalyptic number.

13738725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13738725 is an abundant number, since it is smaller than the sum of its proper divisors (19842459).

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

13738725 is a wasteful number, since it uses less digits than its factorization.

13738725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 100 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 13738725 is about 3706.5786110644. The cubic root of 13738725 is about 239.5054922083.

The spelling of 13738725 in words is "thirteen million, seven hundred thirty-eight thousand, seven hundred twenty-five".