13793772120 has 128 divisors (see below), whose sum is σ = 43893964800. Its totient is φ = 3455768576.

The previous prime is 13793772089. The next prime is 13793772127. The reversal of 13793772120 is 2127739731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13793772127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191721 + ... + 1203239.

It is an arithmetic number, because the mean of its divisors is an integer number (342921600).

Almost surely, 2^13793772120 is an apocalyptic number.

13793772120 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 13793772120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21946982400).

13793772120 is an abundant number, since it is smaller than the sum of its proper divisors (30100192680).

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

13793772120 is a wasteful number, since it uses less digits than its factorization.

13793772120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137 (or 12133 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 42.

The spelling of 13793772120 in words is "thirteen billion, seven hundred ninety-three million, seven hundred seventy-two thousand, one hundred twenty".