13398472776 has 48 divisors (see below), whose sum is σ = 36271024560. Its totient is φ = 4122605760.

The previous prime is 13398472757. The next prime is 13398472793. The reversal of 13398472776 is 67727489331.

It is a happy number.

It is a super-3 number, since 3×13398472776³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647630 + ... + 1655741.

It is an arithmetic number, because the mean of its divisors is an integer number (755646345).

Almost surely, 2^13398472776 is an apocalyptic number.

It is an amenable number.

13398472776 is an abundant number, since it is smaller than the sum of its proper divisors (22872551784).

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

13398472776 is a wasteful number, since it uses less digits than its factorization.

13398472776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303406 (or 3303389 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 57.

The spelling of 13398472776 in words is "thirteen billion, three hundred ninety-eight million, four hundred seventy-two thousand, seven hundred seventy-six".