13239969120 has 576 divisors, whose sum is σ = 55156308480. Its totient is φ = 2824740864.

The previous prime is 13239969109. The next prime is 13239969133. The reversal of 13239969120 is 2196993231.

13239969120 is a `hidden beast` number, since 132 + 399 + 6 + 9 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13980487 + ... + 13981433.

It is an arithmetic number, because the mean of its divisors is an integer number (95757480).

Almost surely, 2^13239969120 is an apocalyptic number.

13239969120 is a gapful number since it is divisible by the number (10) 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 13239969120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27578154240).

13239969120 is an abundant number, since it is smaller than the sum of its proper divisors (41916339360).

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

13239969120 is a wasteful number, since it uses less digits than its factorization.

13239969120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 13239969120 in words is "thirteen billion, two hundred thirty-nine million, nine hundred sixty-nine thousand, one hundred twenty".