13872862 has 4 divisors (see below), whose sum is σ = 20809296. Its totient is φ = 6936430.

The previous prime is 13872853. The next prime is 13872877. The reversal of 13872862 is 26827831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26827831 = 59 ⋅454709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468214 + ... + 3468217.

It is an arithmetic number, because the mean of its divisors is an integer number (5202324).

Almost surely, 2^13872862 is an apocalyptic number.

13872862 is a deficient number, since it is larger than the sum of its proper divisors (6936434).

13872862 is an equidigital number, since it uses as much as digits as its factorization.

13872862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936433.

The product of its digits is 32256, while the sum is 37.

The square root of 13872862 is about 3724.6291090523. The cubic root of 13872862 is about 240.2824337033.

The spelling of 13872862 in words is "thirteen million, eight hundred seventy-two thousand, eight hundred sixty-two".