13239770906 has 8 divisors (see below), whose sum is σ = 19905735744. Its totient is φ = 6604525660.

The previous prime is 13239770879. The next prime is 13239770917. The reversal of 13239770906 is 60907793231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7678820 + ... + 7680543.

It is an arithmetic number, because the mean of its divisors is an integer number (2488216968).

Almost surely, 2^13239770906 is an apocalyptic number.

13239770906 is a deficient number, since it is larger than the sum of its proper divisors (6665964838).

13239770906 is a wasteful number, since it uses less digits than its factorization.

13239770906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15359796.

The product of its (nonzero) digits is 428652, while the sum is 47.

The spelling of 13239770906 in words is "thirteen billion, two hundred thirty-nine million, seven hundred seventy thousand, nine hundred six".