13304072 has 8 divisors (see below), whose sum is σ = 24945150. Its totient is φ = 6652032.

The previous prime is 13304063. The next prime is 13304077. The reversal of 13304072 is 27040331.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 1012036 = 3506^2 + 1006^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13304077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831497 + ... + 831512.

Almost surely, 2^13304072 is an apocalyptic number.

It is an amenable number.

13304072 is a deficient number, since it is larger than the sum of its proper divisors (11641078).

13304072 is a wasteful number, since it uses less digits than its factorization.

13304072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663015 (or 1663011 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13304072 is about 3647.4747428872. The cubic root of 13304072 is about 236.9526275141.

The spelling of 13304072 in words is "thirteen million, three hundred four thousand, seventy-two".