13040123896 has 8 divisors (see below), whose sum is σ = 24450232320. Its totient is φ = 6520061944.

The previous prime is 13040123879. The next prime is 13040123911. The reversal of 13040123896 is 69832104031.

13040123896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815007736 + ... + 815007751.

It is an arithmetic number, because the mean of its divisors is an integer number (3056279040).

Almost surely, 2^13040123896 is an apocalyptic number.

It is an amenable number.

13040123896 is a deficient number, since it is larger than the sum of its proper divisors (11410108424).

13040123896 is a wasteful number, since it uses less digits than its factorization.

13040123896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630015493 (or 1630015489 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 13040123896 in words is "thirteen billion, forty million, one hundred twenty-three thousand, eight hundred ninety-six".