12709149 has 8 divisors (see below), whose sum is σ = 17942400. Its totient is φ = 7974336.

The previous prime is 12709141. The next prime is 12709199. The reversal of 12709149 is 94190721.

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

It is not a de Polignac number, because 12709149 - 2³ = 12709141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12709141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124549 + ... + 124650.

It is an arithmetic number, because the mean of its divisors is an integer number (2242800).

Almost surely, 2^12709149 is an apocalyptic number.

It is an amenable number.

12709149 is a deficient number, since it is larger than the sum of its proper divisors (5233251).

12709149 is a wasteful number, since it uses less digits than its factorization.

12709149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249219.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 12709149 is about 3564.9893407975. The cubic root of 12709149 is about 233.3666671198.

The spelling of 12709149 in words is "twelve million, seven hundred nine thousand, one hundred forty-nine".