13248756 has 18 divisors (see below), whose sum is σ = 33490002. Its totient is φ = 4416240.

The previous prime is 13248751. The next prime is 13248779. The reversal of 13248756 is 65784231.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 2944656 = 3210^2 + 1716^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 368021 = 13248756 / (1 + 3 + 2 + 4 + 8 + 7 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 13248756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13248751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183975 + ... + 184046.

Almost surely, 2^13248756 is an apocalyptic number.

It is an amenable number.

13248756 is an abundant number, since it is smaller than the sum of its proper divisors (20241246).

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

13248756 is a wasteful number, since it uses less digits than its factorization.

13248756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368031 (or 368026 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13248756 is about 3639.8840640878. The cubic root of 13248756 is about 236.6237688124.

The spelling of 13248756 in words is "thirteen million, two hundred forty-eight thousand, seven hundred fifty-six".