13373121 has 8 divisors (see below), whose sum is σ = 18406144. Its totient is φ = 8627760.

The previous prime is 13373111. The next prime is 13373123. The reversal of 13373121 is 12137331.

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

It is not a de Polignac number, because 13373121 - 2⁷ = 13372993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13373123) 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, 71806 + ... + 71991.

It is an arithmetic number, because the mean of its divisors is an integer number (2300768).

Almost surely, 2^13373121 is an apocalyptic number.

It is an amenable number.

13373121 is a deficient number, since it is larger than the sum of its proper divisors (5033023).

13373121 is a wasteful number, since it uses less digits than its factorization.

13373121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143831.

The product of its digits is 378, while the sum is 21.

The square root of 13373121 is about 3656.9278089675. The cubic root of 13373121 is about 237.3618535474.

The spelling of 13373121 in words is "thirteen million, three hundred seventy-three thousand, one hundred twenty-one".