11872863 has 6 divisors (see below), whose sum is σ = 17149704. Its totient is φ = 7915236.

The previous prime is 11872841. The next prime is 11872877. The reversal of 11872863 is 36827811.

It is not a de Polignac number, because 11872863 - 2⁶ = 11872799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11872813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659595 + ... + 659612.

It is an arithmetic number, because the mean of its divisors is an integer number (2858284).

Almost surely, 2^11872863 is an apocalyptic number.

11872863 is a deficient number, since it is larger than the sum of its proper divisors (5276841).

11872863 is a wasteful number, since it uses less digits than its factorization.

11872863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319213 (or 1319210 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 11872863 is about 3445.7021055222. The cubic root of 11872863 is about 228.1314454425.

The spelling of 11872863 in words is "eleven million, eight hundred seventy-two thousand, eight hundred sixty-three".