12142294 has 8 divisors (see below), whose sum is σ = 18512208. Its totient is φ = 5971560.

The previous prime is 12142289. The next prime is 12142331. The reversal of 12142294 is 49224121.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49642 + ... + 49885.

It is an arithmetic number, because the mean of its divisors is an integer number (2314026).

Almost surely, 2^12142294 is an apocalyptic number.

12142294 is a deficient number, since it is larger than the sum of its proper divisors (6369914).

12142294 is an equidigital number, since it uses as much as digits as its factorization.

12142294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99590.

The product of its digits is 1152, while the sum is 25.

The square root of 12142294 is about 3484.5794581269. The cubic root of 12142294 is about 229.8442171308.

The spelling of 12142294 in words is "twelve million, one hundred forty-two thousand, two hundred ninety-four".