13332121 has 4 divisors (see below), whose sum is σ = 14544144. Its totient is φ = 12120100.

The previous prime is 13332113. The next prime is 13332169. The reversal of 13332121 is 12123331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13332121 - 2³ = 13332113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13332095 and 13332104.

It is not an unprimeable number, because it can be changed into a prime (13332181) 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, 605995 + ... + 606016.

It is an arithmetic number, because the mean of its divisors is an integer number (3636036).

Almost surely, 2^13332121 is an apocalyptic number.

13332121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13332121 is a deficient number, since it is larger than the sum of its proper divisors (1212023).

13332121 is a wasteful number, since it uses less digits than its factorization.

13332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212022.

The product of its digits is 108, while the sum is 16.

The square root of 13332121 is about 3651.3177073490. The cubic root of 13332121 is about 237.1190331810.

Adding to 13332121 its reverse (12123331), we get a palindrome (25455452).

The spelling of 13332121 in words is "thirteen million, three hundred thirty-two thousand, one hundred twenty-one".