13232042021 has 16 divisors (see below), whose sum is σ = 15419351808. Its totient is φ = 11221324800.

The previous prime is 13232041993. The next prime is 13232042039. The reversal of 13232042021 is 12024023231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13232042021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232041984 and 13232042002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232042051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291965 + ... + 334226.

It is an arithmetic number, because the mean of its divisors is an integer number (963709488).

Almost surely, 2^13232042021 is an apocalyptic number.

13232042021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13232042021 is a deficient number, since it is larger than the sum of its proper divisors (2187309787).

13232042021 is a wasteful number, since it uses less digits than its factorization.

13232042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626332.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13232042021 its reverse (12024023231), we get a palindrome (25256065252).

The spelling of 13232042021 in words is "thirteen billion, two hundred thirty-two million, forty-two thousand, twenty-one".