13528249 has 8 divisors (see below), whose sum is σ = 15517760. Its totient is φ = 11552976.

The previous prime is 13528211. The next prime is 13528259. The reversal of 13528249 is 94282531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13528249 - 2⁹ = 13527737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13528259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (1939720).

Almost surely, 2^13528249 is an apocalyptic number.

It is an amenable number.

13528249 is a deficient number, since it is larger than the sum of its proper divisors (1989511).

13528249 is an equidigital number, since it uses as much as digits as its factorization.

13528249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119.

The product of its digits is 17280, while the sum is 34.

The square root of 13528249 is about 3678.0768072459. The cubic root of 13528249 is about 238.2761253905.

The spelling of 13528249 in words is "thirteen million, five hundred twenty-eight thousand, two hundred forty-nine".