12351149 has 4 divisors (see below), whose sum is σ = 12384636. Its totient is φ = 12317664.

The previous prime is 12351133. The next prime is 12351193. The reversal of 12351149 is 94115321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4761124 + 7590025 = 2182^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 12351149 - 2⁴ = 12351133 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 (12351049) 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, 16184 + ... + 16929.

It is an arithmetic number, because the mean of its divisors is an integer number (3096159).

Almost surely, 2^12351149 is an apocalyptic number.

It is an amenable number.

12351149 is a deficient number, since it is larger than the sum of its proper divisors (33487).

12351149 is an equidigital number, since it uses as much as digits as its factorization.

12351149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33486.

The product of its digits is 1080, while the sum is 26.

The square root of 12351149 is about 3514.4201513194. The cubic root of 12351149 is about 231.1545538420.

The spelling of 12351149 in words is "twelve million, three hundred fifty-one thousand, one hundred forty-nine".