12277149 has 4 divisors (see below), whose sum is σ = 16369536. Its totient is φ = 8184764.

The previous prime is 12277129. The next prime is 12277151. The reversal of 12277149 is 94177221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12277149 - 2⁸ = 12276893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277129) 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, 2046189 + ... + 2046194.

It is an arithmetic number, because the mean of its divisors is an integer number (4092384).

Almost surely, 2^12277149 is an apocalyptic number.

It is an amenable number.

12277149 is a deficient number, since it is larger than the sum of its proper divisors (4092387).

12277149 is an equidigital number, since it uses as much as digits as its factorization.

12277149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092386.

The product of its digits is 7056, while the sum is 33.

The square root of 12277149 is about 3503.8762820625. The cubic root of 12277149 is about 230.6919865490.

The spelling of 12277149 in words is "twelve million, two hundred seventy-seven thousand, one hundred forty-nine".