13967391232 has 40 divisors (see below), whose sum is σ = 27946326276. Its totient is φ = 6973980672.

The previous prime is 13967391223. The next prime is 13967391281. The reversal of 13967391232 is 23219376931.

It can be written as a sum of positive squares in 2 ways, for example, as 12828733696 + 1138657536 = 113264^2 + 33744^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356688 + ... + 393904.

Almost surely, 2^13967391232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13967391232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13973163138).

13967391232 is an abundant number, since it is smaller than the sum of its proper divisors (13978935044).

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

13967391232 is an frugal number, since it uses more digits than its factorization.

13967391232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37968 (or 37952 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The spelling of 13967391232 in words is "thirteen billion, nine hundred sixty-seven million, three hundred ninety-one thousand, two hundred thirty-two".