12157299 has 48 divisors (see below), whose sum is σ = 22374144. Its totient is φ = 6177600.

The previous prime is 12157273. The next prime is 12157303. The reversal of 12157299 is 99275121.

12157299 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12157299 - 2¹² = 12153203 is a prime.

Its product of digits (11340) is a multiple of the sum of its prime divisors (405).

It is not an unprimeable number, because it can be changed into a prime (12157219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36564 + ... + 36894.

It is an arithmetic number, because the mean of its divisors is an integer number (466128).

Almost surely, 2^12157299 is an apocalyptic number.

12157299 is a deficient number, since it is larger than the sum of its proper divisors (10216845).

12157299 is a wasteful number, since it uses less digits than its factorization.

12157299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 12157299 is about 3486.7318508885. The cubic root of 12157299 is about 229.9388558323.

The spelling of 12157299 in words is "twelve million, one hundred fifty-seven thousand, two hundred ninety-nine".