12157663 has 8 divisors (see below), whose sum is σ = 14625920. Its totient is φ = 9872280.

The previous prime is 12157657. The next prime is 12157679. The reversal of 12157663 is 36675121.

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

It is a cyclic number.

It is not a de Polignac number, because 12157663 - 2⁹ = 12157151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45573 + ... + 45838.

It is an arithmetic number, because the mean of its divisors is an integer number (1828240).

Almost surely, 2^12157663 is an apocalyptic number.

12157663 is a deficient number, since it is larger than the sum of its proper divisors (2468257).

12157663 is an equidigital number, since it uses as much as digits as its factorization.

12157663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91437.

The product of its digits is 7560, while the sum is 31.

The square root of 12157663 is about 3486.7840483747. The cubic root of 12157663 is about 229.9411506652.

The spelling of 12157663 in words is "twelve million, one hundred fifty-seven thousand, six hundred sixty-three".