13225942784 has 36 divisors (see below), whose sum is σ = 26422297440. Its totient is φ = 6607441920.

The previous prime is 13225942783. The next prime is 13225942831. The reversal of 13225942784 is 48724952231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225942783) 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, 294152 + ... + 336120.

Almost surely, 2^13225942784 is an apocalyptic number.

It is an amenable number.

13225942784 is a deficient number, since it is larger than the sum of its proper divisors (13196354656).

13225942784 is an equidigital number, since it uses as much as digits as its factorization.

13225942784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43216 (or 43202 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 13225942784 in words is "thirteen billion, two hundred twenty-five million, nine hundred forty-two thousand, seven hundred eighty-four".