13497224 has 32 divisors (see below), whose sum is σ = 27420120. Its totient is φ = 6191616.

The previous prime is 13497221. The next prime is 13497257. The reversal of 13497224 is 42279431.

It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 9424900 = 2018^2 + 3070^2 .

It is not an unprimeable number, because it can be changed into a prime (13497221) 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 7 ways as a sum of consecutive naturals, for example, 23954 + ... + 24510.

Almost surely, 2^13497224 is an apocalyptic number.

It is an amenable number.

13497224 is an abundant number, since it is smaller than the sum of its proper divisors (13922896).

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

13497224 is a wasteful number, since it uses less digits than its factorization.

13497224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 805 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 13497224 is about 3673.8568290014. The cubic root of 13497224 is about 238.0938358419.

The spelling of 13497224 in words is "thirteen million, four hundred ninety-seven thousand, two hundred twenty-four".