13117825392 has 80 divisors (see below), whose sum is σ = 38816682240. Its totient is φ = 3739447296.

The previous prime is 13117825381. The next prime is 13117825471. The reversal of 13117825392 is 29352871131.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104784 + ... + 192912.

It is an arithmetic number, because the mean of its divisors is an integer number (485208528).

Almost surely, 2^13117825392 is an apocalyptic number.

13117825392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13117825392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19408341120).

13117825392 is an abundant number, since it is smaller than the sum of its proper divisors (25698856848).

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

13117825392 is a wasteful number, since it uses less digits than its factorization.

13117825392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88590 (or 88584 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The spelling of 13117825392 in words is "thirteen billion, one hundred seventeen million, eight hundred twenty-five thousand, three hundred ninety-two".