13122839124 has 36 divisors (see below), whose sum is σ = 33345312000. Its totient is φ = 4351375440.

The previous prime is 13122839113. The next prime is 13122839131. The reversal of 13122839124 is 42193822131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947374 + ... + 961125.

Almost surely, 2^13122839124 is an apocalyptic number.

It is an amenable number.

13122839124 is an abundant number, since it is smaller than the sum of its proper divisors (20222472876).

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

13122839124 is a wasteful number, since it uses less digits than its factorization.

13122839124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908700 (or 1908695 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 13122839124 in words is "thirteen billion, one hundred twenty-two million, eight hundred thirty-nine thousand, one hundred twenty-four".