13056405306 has 16 divisors (see below), whose sum is σ = 29843212224. Its totient is φ = 3730401504.

The previous prime is 13056405289. The next prime is 13056405337. The reversal of 13056405306 is 60350465031.

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, 155433355 + ... + 155433438.

It is an arithmetic number, because the mean of its divisors is an integer number (1865200764).

Almost surely, 2^13056405306 is an apocalyptic number.

13056405306 is an abundant number, since it is smaller than the sum of its proper divisors (16786806918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13056405306 is a wasteful number, since it uses less digits than its factorization.

13056405306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310866805.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 13056405306 in words is "thirteen billion, fifty-six million, four hundred five thousand, three hundred six".