12633863 has 16 divisors (see below), whose sum is σ = 14303520. Its totient is φ = 11059200.

The previous prime is 12633853. The next prime is 12633869. The reversal of 12633863 is 36833621.

It is a cyclic number.

It is not a de Polignac number, because 12633863 - 2⁶ = 12633799 is a prime.

It is a super-2 number, since 2×12633863² = 319228988605538, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49031 + ... + 49287.

It is an arithmetic number, because the mean of its divisors is an integer number (893970).

Almost surely, 2^12633863 is an apocalyptic number.

12633863 is a deficient number, since it is larger than the sum of its proper divisors (1669657).

12633863 is a wasteful number, since it uses less digits than its factorization.

12633863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its digits is 15552, while the sum is 32.

The square root of 12633863 is about 3554.4145790833. The cubic root of 12633863 is about 232.9049511927.

The spelling of 12633863 in words is "twelve million, six hundred thirty-three thousand, eight hundred sixty-three".