15138801 has 24 divisors (see below), whose sum is σ = 23179520. Its totient is φ = 9494496.

The previous prime is 15138793. The next prime is 15138821. The reversal of 15138801 is 10883151.

It is not a de Polignac number, because 15138801 - 2³ = 15138793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15138821) 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, 37935 + ... + 38331.

Almost surely, 2^15138801 is an apocalyptic number.

It is an amenable number.

15138801 is a deficient number, since it is larger than the sum of its proper divisors (8040719).

15138801 is a wasteful number, since it uses less digits than its factorization.

15138801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 15138801 is about 3890.8612157208. The cubic root of 15138801 is about 247.3795679767.

The spelling of 15138801 in words is "fifteen million, one hundred thirty-eight thousand, eight hundred one".