13872872403 has 64 divisors (see below), whose sum is σ = 23124111360. Its totient is φ = 8161689600.

The previous prime is 13872872393. The next prime is 13872872443. The reversal of 13872872403 is 30427827831.

13872872403 is a `hidden beast` number, since 1 + 387 + 28 + 7 + 240 + 3 = 666.

It is not a de Polignac number, because 13872872403 - 2⁵ = 13872872371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13872872443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 895443 + ... + 910803.

It is an arithmetic number, because the mean of its divisors is an integer number (361314240).

Almost surely, 2^13872872403 is an apocalyptic number.

13872872403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13872872403 is a deficient number, since it is larger than the sum of its proper divisors (9251238957).

13872872403 is a wasteful number, since it uses less digits than its factorization.

13872872403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497 (or 15491 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 13872872403 in words is "thirteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, four hundred three".