13331208 has 32 divisors (see below), whose sum is σ = 36358560. Its totient is φ = 4039680.

The previous prime is 13331203. The next prime is 13331231. The reversal of 13331208 is 80213331.

It is a happy number.

It is a super-2 number, since 2×13331208² = 355442213478528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24985 + ... + 25512.

It is an arithmetic number, because the mean of its divisors is an integer number (1136205).

Almost surely, 2^13331208 is an apocalyptic number.

It is an amenable number.

13331208 is an abundant number, since it is smaller than the sum of its proper divisors (23027352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13331208 is a wasteful number, since it uses less digits than its factorization.

13331208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50517 (or 50513 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13331208 is about 3651.1926818507. The cubic root of 13331208 is about 237.1136203233.

Adding to 13331208 its reverse (80213331), we get a palindrome (93544539).

The spelling of 13331208 in words is "thirteen million, three hundred thirty-one thousand, two hundred eight".