13239246505806 has 80 divisors (see below), whose sum is σ = 31465448213760. Its totient is φ = 4148899943760.

The previous prime is 13239246505783. The next prime is 13239246505817. The reversal of 13239246505806 is 60850564293231.

It is a happy number.

13239246505806 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 9 + 2 + 4 + 6 + 50 + 580 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16013766 + ... + 16820201.

It is an arithmetic number, because the mean of its divisors is an integer number (393318102672).

Almost surely, 2^{13239246505806} is an apocalyptic number.

13239246505806 is an abundant number, since it is smaller than the sum of its proper divisors (18226201707954).

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

13239246505806 is a wasteful number, since it uses less digits than its factorization.

13239246505806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32834131 (or 32834122 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 13239246505806 in words is "thirteen trillion, two hundred thirty-nine billion, two hundred forty-six million, five hundred five thousand, eight hundred six".