12149347 has 16 divisors (see below), whose sum is σ = 14535360. Its totient is φ = 9934848.

The previous prime is 12149329. The next prime is 12149351. The reversal of 12149347 is 74394121.

12149347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12149347 - 2⁷ = 12149219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12149327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19383 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (908460).

Almost surely, 2^12149347 is an apocalyptic number.

12149347 is a deficient number, since it is larger than the sum of its proper divisors (2386013).

12149347 is an equidigital number, since it uses as much as digits as its factorization.

12149347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its digits is 6048, while the sum is 31.

The square root of 12149347 is about 3485.5913415086. The cubic root of 12149347 is about 229.8887111253. Note that the first 3 decimals are identical.

The spelling of 12149347 in words is "twelve million, one hundred forty-nine thousand, three hundred forty-seven".