12149394 has 16 divisors (see below), whose sum is σ = 24955968. Its totient is φ = 3940272.

The previous prime is 12149393. The next prime is 12149411. The reversal of 12149394 is 49394121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12149393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27142 + ... + 27585.

It is an arithmetic number, because the mean of its divisors is an integer number (1559748).

Almost surely, 2^12149394 is an apocalyptic number.

12149394 is an abundant number, since it is smaller than the sum of its proper divisors (12806574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12149394 is a wasteful number, since it uses less digits than its factorization.

12149394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54769.

The product of its digits is 7776, while the sum is 33.

The square root of 12149394 is about 3485.5980835432. The cubic root of 12149394 is about 229.8890075680.

The spelling of 12149394 in words is "twelve million, one hundred forty-nine thousand, three hundred ninety-four".