13299552 has 120 divisors (see below), whose sum is σ = 44762256. Its totient is φ = 3794688.

The previous prime is 13299467. The next prime is 13299553. The reversal of 13299552 is 25599231.

It is a happy number.

13299552 is a `hidden beast` number, since 13 + 2 + 99 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299553) 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 19 ways as a sum of consecutive naturals, for example, 17778 + ... + 18510.

Almost surely, 2^13299552 is an apocalyptic number.

13299552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13299552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22381128).

13299552 is an abundant number, since it is smaller than the sum of its proper divisors (31462704).

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

13299552 is an equidigital number, since it uses as much as digits as its factorization.

13299552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 745 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 13299552 is about 3646.8550834932. The cubic root of 13299552 is about 236.9257899365.

The spelling of 13299552 in words is "thirteen million, two hundred ninety-nine thousand, five hundred fifty-two".