13472399920 has 320 divisors, whose sum is σ = 39147494400. Its totient is φ = 4209131520.

The previous prime is 13472399917. The next prime is 13472399923. The reversal of 13472399920 is 2999327431.

It is an interprime number because it is at equal distance from previous prime (13472399917) and next prime (13472399923).

It is not an unprimeable number, because it can be changed into a prime (13472399923) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38825187 + ... + 38825533.

It is an arithmetic number, because the mean of its divisors is an integer number (122335920).

Almost surely, 2^13472399920 is an apocalyptic number.

13472399920 is a gapful number since it is divisible by the number (10) 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 13472399920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19573747200).

13472399920 is an abundant number, since it is smaller than the sum of its proper divisors (25675094480).

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

13472399920 is a wasteful number, since it uses less digits than its factorization.

13472399920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 13472399920 in words is "thirteen billion, four hundred seventy-two million, three hundred ninety-nine thousand, nine hundred twenty".