13699913252 has 12 divisors (see below), whose sum is σ = 24484951680. Its totient is φ = 6704212776.

The previous prime is 13699913251. The next prime is 13699913261. The reversal of 13699913252 is 25231999631.

It is a super-2 number, since 2×13699913252² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13699913252.

It is not an unprimeable number, because it can be changed into a prime (13699913251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36435752 + ... + 36436127.

It is an arithmetic number, because the mean of its divisors is an integer number (2040412640).

Almost surely, 2^13699913252 is an apocalyptic number.

It is an amenable number.

13699913252 is a deficient number, since it is larger than the sum of its proper divisors (10785038428).

13699913252 is a wasteful number, since it uses less digits than its factorization.

13699913252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72871930 (or 72871928 counting only the distinct ones).

The product of its digits is 787320, while the sum is 50.

The spelling of 13699913252 in words is "thirteen billion, six hundred ninety-nine million, nine hundred thirteen thousand, two hundred fifty-two".