13405233 has 8 divisors (see below), whose sum is σ = 17904096. Its totient is φ = 8921600.

The previous prime is 13405229. The next prime is 13405243. The reversal of 13405233 is 33250431.

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 13405233 - 2² = 13405229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13405243) 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, 1563 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (2238012).

Almost surely, 2^13405233 is an apocalyptic number.

It is an amenable number.

13405233 is a deficient number, since it is larger than the sum of its proper divisors (4498863).

13405233 is an equidigital number, since it uses as much as digits as its factorization.

13405233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13405233 is about 3661.3157471051. The cubic root of 13405233 is about 237.5516888421.

Adding to 13405233 its reverse (33250431), we get a palindrome (46655664).

The spelling of 13405233 in words is "thirteen million, four hundred five thousand, two hundred thirty-three".