13872051 has 24 divisors (see below), whose sum is σ = 21531744. Its totient is φ = 8574720.

The previous prime is 13872037. The next prime is 13872073. The reversal of 13872051 is 15027831.

It is not a de Polignac number, because 13872051 - 2⁶ = 13871987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13872031) 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, 10225 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (897156).

Almost surely, 2^13872051 is an apocalyptic number.

13872051 is a deficient number, since it is larger than the sum of its proper divisors (7659693).

13872051 is a wasteful number, since it uses less digits than its factorization.

13872051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13872051 is about 3724.5202375608. The cubic root of 13872051 is about 240.2777513518.

Adding to 13872051 its reverse (15027831), we get a palindrome (28899882).

The spelling of 13872051 in words is "thirteen million, eight hundred seventy-two thousand, fifty-one".