13232032021 has 8 divisors (see below), whose sum is σ = 14311042200. Its totient is φ = 12161759232.

The previous prime is 13232031983. The next prime is 13232032027. The reversal of 13232032021 is 12023023231.

It can be written as a sum of positive squares in 4 ways, for example, as 244922500 + 12987109521 = 15650^2 + 113961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13232032021 - 2¹³ = 13232023829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13232032021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232032027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181196 + ... + 2187253.

It is an arithmetic number, because the mean of its divisors is an integer number (1788880275).

Almost surely, 2^13232032021 is an apocalyptic number.

It is an amenable number.

13232032021 is a deficient number, since it is larger than the sum of its proper divisors (1079010179).

13232032021 is a wasteful number, since it uses less digits than its factorization.

13232032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368695.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13232032021 its reverse (12023023231), we get a palindrome (25255055252).

The spelling of 13232032021 in words is "thirteen billion, two hundred thirty-two million, thirty-two thousand, twenty-one".