13876256812 has 24 divisors (see below), whose sum is σ = 26498384640. Its totient is φ = 6305639760.

The previous prime is 13876256761. The next prime is 13876256819. The reversal of 13876256812 is 21865267831.

It is a happy number.

It is a super-2 number, since 2×13876256812² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13876256819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123889 + ... + 207607.

It is an arithmetic number, because the mean of its divisors is an integer number (1104099360).

Almost surely, 2^13876256812 is an apocalyptic number.

It is an amenable number.

13876256812 is a deficient number, since it is larger than the sum of its proper divisors (12622127828).

13876256812 is a wasteful number, since it uses less digits than its factorization.

13876256812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87501 (or 87499 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 13876256812 in words is "thirteen billion, eight hundred seventy-six million, two hundred fifty-six thousand, eight hundred twelve".