13002332421 has 16 divisors (see below), whose sum is σ = 18948676544. Its totient is φ = 7882009344.

The previous prime is 13002332417. The next prime is 13002332477. The reversal of 13002332421 is 12423320031.

It is not a de Polignac number, because 13002332421 - 2² = 13002332417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002332521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485396 + ... + 2490621.

It is an arithmetic number, because the mean of its divisors is an integer number (1184292284).

Almost surely, 2^13002332421 is an apocalyptic number.

It is an amenable number.

13002332421 is a deficient number, since it is larger than the sum of its proper divisors (5946344123).

13002332421 is a wasteful number, since it uses less digits than its factorization.

13002332421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976100.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13002332421 its reverse (12423320031), we get a palindrome (25425652452).

The spelling of 13002332421 in words is "thirteen billion, two million, three hundred thirty-two thousand, four hundred twenty-one".