13306233 has 12 divisors (see below), whose sum is σ = 18094160. Its totient is φ = 8697936.

The previous prime is 13306229. The next prime is 13306243. The reversal of 13306233 is 33260331.

13306233 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13306233 - 2² = 13306229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13306243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7638 + ... + 9216.

Almost surely, 2^13306233 is an apocalyptic number.

It is an amenable number.

13306233 is a deficient number, since it is larger than the sum of its proper divisors (4787927).

13306233 is an equidigital number, since it uses as much as digits as its factorization.

13306233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 13306233 is about 3647.7709632048. The cubic root of 13306233 is about 236.9654563409.

Adding to 13306233 its reverse (33260331), we get a palindrome (46566564).

The spelling of 13306233 in words is "thirteen million, three hundred six thousand, two hundred thirty-three".