12663693 has 12 divisors (see below), whose sum is σ = 20905248. Its totient is φ = 7236360.

The previous prime is 12663689. The next prime is 12663697. The reversal of 12663693 is 39636621.

12663693 is a `hidden beast` number, since 12 + 6 + 636 + 9 + 3 = 666.

12663693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12663689) and next prime (12663697).

It is not a de Polignac number, because 12663693 - 2² = 12663689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100443 + ... + 100568.

It is an arithmetic number, because the mean of its divisors is an integer number (1742104).

Almost surely, 2^12663693 is an apocalyptic number.

It is an amenable number.

12663693 is a deficient number, since it is larger than the sum of its proper divisors (8241555).

12663693 is a wasteful number, since it uses less digits than its factorization.

12663693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201024 (or 201021 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 12663693 is about 3558.6082953874. The cubic root of 12663693 is about 233.0881122170.

The spelling of 12663693 in words is "twelve million, six hundred sixty-three thousand, six hundred ninety-three".