13657038 has 16 divisors (see below), whose sum is σ = 27350400. Its totient is φ = 4546296.

The previous prime is 13657031. The next prime is 13657043. The reversal of 13657038 is 83075631.

It is a happy number.

13657038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13657031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7581 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (1709400).

Almost surely, 2^13657038 is an apocalyptic number.

13657038 is an abundant number, since it is smaller than the sum of its proper divisors (13693362).

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

13657038 is a wasteful number, since it uses less digits than its factorization.

13657038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 13657038 is about 3695.5429912261. The cubic root of 13657038 is about 239.0298685266.

The spelling of 13657038 in words is "thirteen million, six hundred fifty-seven thousand, thirty-eight".