13308072 has 16 divisors (see below), whose sum is σ = 33270240. Its totient is φ = 4436016.

The previous prime is 13308047. The next prime is 13308077. The reversal of 13308072 is 27080331.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 554503 = 13308072 / (1 + 3 + 3 + 0 + 8 + 0 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (13308077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277228 + ... + 277275.

It is an arithmetic number, because the mean of its divisors is an integer number (2079390).

Almost surely, 2^13308072 is an apocalyptic number.

13308072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13308072 is an abundant number, since it is smaller than the sum of its proper divisors (19962168).

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

13308072 is a wasteful number, since it uses less digits than its factorization.

13308072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554512 (or 554508 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13308072 is about 3648.0230262431. The cubic root of 13308072 is about 236.9763725133.

The spelling of 13308072 in words is "thirteen million, three hundred eight thousand, seventy-two".