13333733 has 12 divisors (see below), whose sum is σ = 15891372. Its totient is φ = 11148480.

The previous prime is 13333711. The next prime is 13333739. The reversal of 13333733 is 33733331.

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 12945604 = 623^2 + 3598^2 .

It is not a de Polignac number, because 13333733 - 2¹² = 13329637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333739) 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, 1310 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (1324281).

Almost surely, 2^13333733 is an apocalyptic number.

It is an amenable number.

13333733 is a deficient number, since it is larger than the sum of its proper divisors (2557639).

13333733 is an equidigital number, since it uses as much as digits as its factorization.

13333733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692 (or 6685 counting only the distinct ones).

The product of its digits is 5103, while the sum is 26.

The square root of 13333733 is about 3651.5384429032. The cubic root of 13333733 is about 237.1285895618.

The spelling of 13333733 in words is "thirteen million, three hundred thirty-three thousand, seven hundred thirty-three".