13012879051263 has 24 divisors (see below), whose sum is σ = 21471800435328. Its totient is φ = 6863936200992.

The previous prime is 13012879051241. The next prime is 13012879051321. The reversal of 13012879051263 is 36215097821031.

It is not a de Polignac number, because 13012879051263 - 2⁹ = 13012879050751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012879051213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1833312745 + ... + 1833319842.

It is an arithmetic number, because the mean of its divisors is an integer number (894658351472).

Almost surely, 2^{13012879051263} is an apocalyptic number.

13012879051263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13012879051263 is a deficient number, since it is larger than the sum of its proper divisors (8458921384065).

13012879051263 is a wasteful number, since it uses less digits than its factorization.

13012879051263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666632623 (or 3666632610 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 13012879051263 in words is "thirteen trillion, twelve billion, eight hundred seventy-nine million, fifty-one thousand, two hundred sixty-three".