13252149 has 6 divisors (see below), whose sum is σ = 19142006. Its totient is φ = 8834760.

The previous prime is 13252133. The next prime is 13252157. The reversal of 13252149 is 94125231.

13252149 is a `hidden beast` number, since 132 + 521 + 4 + 9 = 666.

13252149 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 2480625 = 3282^2 + 1575^2 .

It is not a de Polignac number, because 13252149 - 2⁴ = 13252133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 736222 + ... + 736239.

Almost surely, 2^13252149 is an apocalyptic number.

It is an amenable number.

13252149 is a deficient number, since it is larger than the sum of its proper divisors (5889857).

13252149 is a wasteful number, since it uses less digits than its factorization.

13252149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472467 (or 1472464 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13252149 is about 3640.3501205241. The cubic root of 13252149 is about 236.6439668325.

The spelling of 13252149 in words is "thirteen million, two hundred fifty-two thousand, one hundred forty-nine".