13901597952 has 144 divisors (see below), whose sum is σ = 42736704192. Its totient is φ = 3964764160.

The previous prime is 13901597947. The next prime is 13901597987. The reversal of 13901597952 is 25979510931.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 13901597895 and 13901597904.

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, 95218 + ... + 192014.

It is an arithmetic number, because the mean of its divisors is an integer number (296782668).

Almost surely, 2^13901597952 is an apocalyptic number.

13901597952 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 13901597952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21368352096).

13901597952 is an abundant number, since it is smaller than the sum of its proper divisors (28835106240).

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

13901597952 is a wasteful number, since it uses less digits than its factorization.

13901597952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96844 (or 96830 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 51.

The spelling of 13901597952 in words is "thirteen billion, nine hundred one million, five hundred ninety-seven thousand, nine hundred fifty-two".