13372121 has 8 divisors (see below), whose sum is σ = 15305280. Its totient is φ = 11444688.

The previous prime is 13372091. The next prime is 13372123. The reversal of 13372121 is 12127331.

13372121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13372121 - 2⁶ = 13372057 is a prime.

It is a Duffinian number.

13372121 is a modest number, since divided by 2121 gives 1337 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13372093 and 13372102.

It is not an unprimeable number, because it can be changed into a prime (13372123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6590 + ... + 8376.

It is an arithmetic number, because the mean of its divisors is an integer number (1913160).

Almost surely, 2^13372121 is an apocalyptic number.

It is an amenable number.

13372121 is a deficient number, since it is larger than the sum of its proper divisors (1933159).

13372121 is a wasteful number, since it uses less digits than its factorization.

13372121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863.

The product of its digits is 252, while the sum is 20.

The square root of 13372121 is about 3656.7910796216. The cubic root of 13372121 is about 237.3559370085.

Adding to 13372121 its reverse (12127331), we get a palindrome (25499452).

The spelling of 13372121 in words is "thirteen million, three hundred seventy-two thousand, one hundred twenty-one".