13263812572 has 6 divisors (see below), whose sum is σ = 23211672008. Its totient is φ = 6631906284.

The previous prime is 13263812521. The next prime is 13263812579. The reversal of 13263812572 is 27521836231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263812579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657976568 + ... + 1657976575.

Almost surely, 2^13263812572 is an apocalyptic number.

It is an amenable number.

13263812572 is a deficient number, since it is larger than the sum of its proper divisors (9947859436).

13263812572 is a wasteful number, since it uses less digits than its factorization.

13263812572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315953147 (or 3315953145 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 13263812572 in words is "thirteen billion, two hundred sixty-three million, eight hundred twelve thousand, five hundred seventy-two".