12609149 has 8 divisors (see below), whose sum is σ = 14480448. Its totient is φ = 10755360.

The previous prime is 12609139. The next prime is 12609161. The reversal of 12609149 is 94190621.

12609149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12609149 - 2²⁰ = 11560573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609139) 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, 2792 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (1810056).

Almost surely, 2^12609149 is an apocalyptic number.

It is an amenable number.

12609149 is a deficient number, since it is larger than the sum of its proper divisors (1871299).

12609149 is an equidigital number, since it uses as much as digits as its factorization.

12609149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12609149 is about 3550.9363553857. The cubic root of 12609149 is about 232.7529847330.

The spelling of 12609149 in words is "twelve million, six hundred nine thousand, one hundred forty-nine".