13250807428 has 12 divisors (see below), whose sum is σ = 23305441600. Its totient is φ = 6592109832.

The previous prime is 13250807417. The next prime is 13250807441. The reversal of 13250807428 is 82470805231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8322576 + ... + 8324167.

Almost surely, 2^13250807428 is an apocalyptic number.

It is an amenable number.

13250807428 is a deficient number, since it is larger than the sum of its proper divisors (10054634172).

13250807428 is a wasteful number, since it uses less digits than its factorization.

13250807428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646946 (or 16646944 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 13250807428 in words is "thirteen billion, two hundred fifty million, eight hundred seven thousand, four hundred twenty-eight".