13002221424 has 20 divisors (see below), whose sum is σ = 33589072136. Its totient is φ = 4334073792.

The previous prime is 13002221413. The next prime is 13002221437. The reversal of 13002221424 is 42412220031.

It is a self number, because there is not a number n which added to its sum of digits gives 13002221424.

It is a congruent 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, 135439759 + ... + 135439854.

Almost surely, 2^13002221424 is an apocalyptic number.

It is an amenable number.

13002221424 is an abundant number, since it is smaller than the sum of its proper divisors (20586850712).

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

13002221424 is a wasteful number, since it uses less digits than its factorization.

13002221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270879624 (or 270879618 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13002221424 its reverse (42412220031), we get a palindrome (55414441455).

The spelling of 13002221424 in words is "thirteen billion, two million, two hundred twenty-one thousand, four hundred twenty-four".