13232121 has 8 divisors (see below), whose sum is σ = 20163264. Its totient is φ = 7561200.

The previous prime is 13232119. The next prime is 13232129. The reversal of 13232121 is 12123231.

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

It is not a de Polignac number, because 13232121 - 2¹ = 13232119 is a prime.

13232121 is a modest number, since divided by 2121 gives 1323 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13232121.

It is not an unprimeable number, because it can be changed into a prime (13232129) 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, 315030 + ... + 315071.

It is an arithmetic number, because the mean of its divisors is an integer number (2520408).

Almost surely, 2^13232121 is an apocalyptic number.

It is an amenable number.

13232121 is a deficient number, since it is larger than the sum of its proper divisors (6931143).

13232121 is an equidigital number, since it uses as much as digits as its factorization.

13232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630111.

The product of its digits is 72, while the sum is 15.

The square root of 13232121 is about 3637.5982460959. The cubic root of 13232121 is about 236.5246932218.

Adding to 13232121 its reverse (12123231), we get a palindrome (25355352).

The spelling of 13232121 in words is "thirteen million, two hundred thirty-two thousand, one hundred twenty-one".