13331612 has 24 divisors (see below), whose sum is σ = 27525120. Its totient is φ = 5528880.

The previous prime is 13331573. The next prime is 13331623. The reversal of 13331612 is 21613331.

It is a happy number.

It is a super-3 number, since 3×13331612³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6812 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (1146880).

Almost surely, 2^13331612 is an apocalyptic number.

It is an amenable number.

13331612 is an abundant number, since it is smaller than the sum of its proper divisors (14193508).

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

13331612 is a wasteful number, since it uses less digits than its factorization.

13331612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401 (or 15399 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 13331612 is about 3651.2480058194. The cubic root of 13331612 is about 237.1160155285.

Adding to 13331612 its reverse (21613331), we get a palindrome (34944943).

The spelling of 13331612 in words is "thirteen million, three hundred thirty-one thousand, six hundred twelve".