13996628472 has 128 divisors (see below), whose sum is σ = 37594828800. Its totient is φ = 4331086848.

The previous prime is 13996628467. The next prime is 13996628489. The reversal of 13996628472 is 27482669931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12396804 + ... + 12397932.

It is an arithmetic number, because the mean of its divisors is an integer number (293709600).

Almost surely, 2^13996628472 is an apocalyptic number.

13996628472 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 13996628472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18797414400).

13996628472 is an abundant number, since it is smaller than the sum of its proper divisors (23598200328).

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

13996628472 is a wasteful number, since it uses less digits than its factorization.

13996628472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1801 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 13996628472 in words is "thirteen billion, nine hundred ninety-six million, six hundred twenty-eight thousand, four hundred seventy-two".