1312406565213 has 16 divisors (see below), whose sum is σ = 1860971440320. Its totient is φ = 819843154176.

The previous prime is 1312406565187. The next prime is 1312406565221. The reversal of 1312406565213 is 3125656042131.

It is a happy number.

It is not a de Polignac number, because 1312406565213 - 2¹⁴ = 1312406548829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312406565293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56670058 + ... + 56693211.

It is an arithmetic number, because the mean of its divisors is an integer number (116310715020).

Almost surely, 2^{1312406565213} is an apocalyptic number.

It is an amenable number.

1312406565213 is a deficient number, since it is larger than the sum of its proper divisors (548564875107).

1312406565213 is a wasteful number, since it uses less digits than its factorization.

1312406565213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113363516.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 1312406565213 in words is "one trillion, three hundred twelve billion, four hundred six million, five hundred sixty-five thousand, two hundred thirteen".