13309933 has 12 divisors (see below), whose sum is σ = 16472928. Its totient is φ = 10530000.

The previous prime is 13309913. The next prime is 13309949. The reversal of 13309933 is 33990331.

It is not a de Polignac number, because 13309933 - 2⁹ = 13309421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13309895 and 13309904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13309913) 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, 4443 + ... + 6808.

It is an arithmetic number, because the mean of its divisors is an integer number (1372744).

Almost surely, 2^13309933 is an apocalyptic number.

13309933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13309933 is a deficient number, since it is larger than the sum of its proper divisors (3162995).

13309933 is a wasteful number, since it uses less digits than its factorization.

13309933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284 (or 11271 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 31.

The square root of 13309933 is about 3648.2780869884. The cubic root of 13309933 is about 236.9874182524.

The spelling of 13309933 in words is "thirteen million, three hundred nine thousand, nine hundred thirty-three".