12273149 has 8 divisors (see below), whose sum is σ = 14071488. Its totient is φ = 10486080.

The previous prime is 12273143. The next prime is 12273169. The reversal of 12273149 is 94137221.

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

It is not a de Polignac number, because 12273149 - 2⁸ = 12272893 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 (12273143) 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, 332 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (1758936).

Almost surely, 2^12273149 is an apocalyptic number.

It is an amenable number.

12273149 is a deficient number, since it is larger than the sum of its proper divisors (1798339).

12273149 is an equidigital number, since it uses as much as digits as its factorization.

12273149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635.

The product of its digits is 3024, while the sum is 29.

The square root of 12273149 is about 3503.3054391531. The cubic root of 12273149 is about 230.6669300211. Note that the first 3 decimals are identical.

The spelling of 12273149 in words is "twelve million, two hundred seventy-three thousand, one hundred forty-nine".