13073312 has 24 divisors (see below), whose sum is σ = 29415456. Its totient is φ = 5602752.

The previous prime is 13073293. The next prime is 13073317. The reversal of 13073312 is 21337031.

It is a happy number.

It is a super-2 number, since 2×13073312² = 341822973298688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13073317) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28958 + ... + 29405.

It is an arithmetic number, because the mean of its divisors is an integer number (1225644).

Almost surely, 2^13073312 is an apocalyptic number.

It is an amenable number.

13073312 is an abundant number, since it is smaller than the sum of its proper divisors (16342144).

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

13073312 is an equidigital number, since it uses as much as digits as its factorization.

13073312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58380 (or 58372 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13073312 is about 3615.7035276693. The cubic root of 13073312 is about 235.5746431798.

The spelling of 13073312 in words is "thirteen million, seventy-three thousand, three hundred twelve".