12549159 has 12 divisors (see below), whose sum is σ = 20716176. Its totient is φ = 7170912.

The previous prime is 12549151. The next prime is 12549209. The reversal of 12549159 is 95194521.

It is not a de Polignac number, because 12549159 - 2³ = 12549151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12549151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99534 + ... + 99659.

It is an arithmetic number, because the mean of its divisors is an integer number (1726348).

Almost surely, 2^12549159 is an apocalyptic number.

12549159 is a deficient number, since it is larger than the sum of its proper divisors (8167017).

12549159 is a wasteful number, since it uses less digits than its factorization.

12549159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199206 (or 199203 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 12549159 is about 3542.4792165939. The cubic root of 12549159 is about 232.3832782140.

It can be divided in two parts, 125 and 49159, that added together give a square (49284 = 222²).

The spelling of 12549159 in words is "twelve million, five hundred forty-nine thousand, one hundred fifty-nine".