12157294 has 8 divisors (see below), whose sum is σ = 19028880. Its totient is φ = 5814336.

The previous prime is 12157273. The next prime is 12157303. The reversal of 12157294 is 49275121.

12157294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132099 + ... + 132190.

It is an arithmetic number, because the mean of its divisors is an integer number (2378610).

Almost surely, 2^12157294 is an apocalyptic number.

12157294 is a deficient number, since it is larger than the sum of its proper divisors (6871586).

12157294 is a wasteful number, since it uses less digits than its factorization.

12157294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264314.

The product of its digits is 5040, while the sum is 31.

The square root of 12157294 is about 3486.7311338846. The cubic root of 12157294 is about 229.9388243096.

The spelling of 12157294 in words is "twelve million, one hundred fifty-seven thousand, two hundred ninety-four".