13233913 has 8 divisors (see below), whose sum is σ = 16499520. Its totient is φ = 10312080.

The previous prime is 13233911. The next prime is 13233919. The reversal of 13233913 is 31933231.

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 13233913 - 2¹ = 13233911 is a prime.

It is a super-3 number, since 3×13233913³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13233911) 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, 85858 + ... + 86011.

It is an arithmetic number, because the mean of its divisors is an integer number (2062440).

Almost surely, 2^13233913 is an apocalyptic number.

It is an amenable number.

13233913 is a deficient number, since it is larger than the sum of its proper divisors (3265607).

13233913 is a wasteful number, since it uses less digits than its factorization.

13233913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171887.

The product of its digits is 1458, while the sum is 25.

The square root of 13233913 is about 3637.8445541282. The cubic root of 13233913 is about 236.5353700971.

The spelling of 13233913 in words is "thirteen million, two hundred thirty-three thousand, nine hundred thirteen".