13328312 has 8 divisors (see below), whose sum is σ = 24990600. Its totient is φ = 6664152.

The previous prime is 13328309. The next prime is 13328353. The reversal of 13328312 is 21382331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833012 + ... + 833027.

It is an arithmetic number, because the mean of its divisors is an integer number (3123825).

Almost surely, 2^13328312 is an apocalyptic number.

It is an amenable number.

13328312 is a deficient number, since it is larger than the sum of its proper divisors (11662288).

13328312 is a wasteful number, since it uses less digits than its factorization.

13328312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666045 (or 1666041 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 13328312 is about 3650.7960775699. The cubic root of 13328312 is about 237.0964493169.

It can be divided in two parts, 1332831 and 2, that multiplied together give a palindrome (2665662).

The spelling of 13328312 in words is "thirteen million, three hundred twenty-eight thousand, three hundred twelve".