13513278472 has 16 divisors (see below), whose sum is σ = 25642668240. Its totient is φ = 6675233616.

The previous prime is 13513278469. The next prime is 13513278473. The reversal of 13513278472 is 27487231531.

It is a super-3 number, since 3×13513278472³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13513278473) 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, 10174998 + ... + 10176325.

It is an arithmetic number, because the mean of its divisors is an integer number (1602666765).

Almost surely, 2^13513278472 is an apocalyptic number.

It is an amenable number.

13513278472 is a deficient number, since it is larger than the sum of its proper divisors (12129389768).

13513278472 is a wasteful number, since it uses less digits than its factorization.

13513278472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20351412 (or 20351408 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The spelling of 13513278472 in words is "thirteen billion, five hundred thirteen million, two hundred seventy-eight thousand, four hundred seventy-two".