12270149 has 8 divisors (see below), whose sum is σ = 12711168. Its totient is φ = 11836720.

The previous prime is 12270133. The next prime is 12270157. The reversal of 12270149 is 94107221.

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

It is a cyclic number.

It is not a de Polignac number, because 12270149 - 2⁴ = 12270133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270169) 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, 1499 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (1588896).

Almost surely, 2^12270149 is an apocalyptic number.

It is an amenable number.

12270149 is a deficient number, since it is larger than the sum of its proper divisors (441019).

12270149 is an equidigital number, since it uses as much as digits as its factorization.

12270149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12270149 is about 3502.8772459223. The cubic root of 12270149 is about 230.6481340522.

The spelling of 12270149 in words is "twelve million, two hundred seventy thousand, one hundred forty-nine".