12057663 has 4 divisors (see below), whose sum is σ = 16076888. Its totient is φ = 8038440.

The previous prime is 12057637. The next prime is 12057713. The reversal of 12057663 is 36675021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12057663 - 2⁸ = 12057407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12057663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12057623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009608 + ... + 2009613.

It is an arithmetic number, because the mean of its divisors is an integer number (4019222).

Almost surely, 2^12057663 is an apocalyptic number.

12057663 is a deficient number, since it is larger than the sum of its proper divisors (4019225).

12057663 is an equidigital number, since it uses as much as digits as its factorization.

12057663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019224.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 12057663 is about 3472.4145777830. The cubic root of 12057663 is about 229.3089719048.

It can be divided in two parts, 12057 and 663, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 12057663 in words is "twelve million, fifty-seven thousand, six hundred sixty-three".