13972929252 has 48 divisors (see below), whose sum is σ = 32742807552. Its totient is φ = 4637785600.

The previous prime is 13972929241. The next prime is 13972929253. The reversal of 13972929252 is 25292927931.

It is a junction number, because it is equal to n+sod(n) for n = 13972929195 and 13972929204.

It is not an unprimeable number, because it can be changed into a prime (13972929253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219628 + ... + 3223964.

It is an arithmetic number, because the mean of its divisors is an integer number (682141824).

Almost surely, 2^13972929252 is an apocalyptic number.

13972929252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13972929252 is an abundant number, since it is smaller than the sum of its proper divisors (18769878300).

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

13972929252 is a wasteful number, since it uses less digits than its factorization.

13972929252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5426 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The spelling of 13972929252 in words is "thirteen billion, nine hundred seventy-two million, nine hundred twenty-nine thousand, two hundred fifty-two".