13312401278 has 16 divisors (see below), whose sum is σ = 21800467440. Its totient is φ = 6046497600.

The previous prime is 13312401257. The next prime is 13312401287. The reversal of 13312401278 is 87210421331.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199973 + ... + 258096.

It is an arithmetic number, because the mean of its divisors is an integer number (1362529215).

Almost surely, 2^13312401278 is an apocalyptic number.

13312401278 is a deficient number, since it is larger than the sum of its proper divisors (8488066162).

13312401278 is a wasteful number, since it uses less digits than its factorization.

13312401278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459403.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 13312401278 in words is "thirteen billion, three hundred twelve million, four hundred one thousand, two hundred seventy-eight".