13285049 has 4 divisors (see below), whose sum is σ = 13293540. Its totient is φ = 13276560.

The previous prime is 13285039. The next prime is 13285057. The reversal of 13285049 is 94058231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2839225 + 10445824 = 1685^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 13285049 - 2⁸ = 13284793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13285039) 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, 1142 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (3323385).

Almost surely, 2^13285049 is an apocalyptic number.

It is an amenable number.

13285049 is a deficient number, since it is larger than the sum of its proper divisors (8491).

13285049 is an equidigital number, since it uses as much as digits as its factorization.

13285049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13285049 is about 3644.8661155110. The cubic root of 13285049 is about 236.8396370468.

The spelling of 13285049 in words is "thirteen million, two hundred eighty-five thousand, forty-nine".