12633665 has 8 divisors (see below), whose sum is σ = 16538688. Its totient is φ = 9188080.

The previous prime is 12633661. The next prime is 12633667. The reversal of 12633665 is 56633621.

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

It is not a de Polignac number, because 12633665 - 2² = 12633661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12633661) 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, 114797 + ... + 114906.

It is an arithmetic number, because the mean of its divisors is an integer number (2067336).

Almost surely, 2^12633665 is an apocalyptic number.

It is an amenable number.

12633665 is a deficient number, since it is larger than the sum of its proper divisors (3905023).

12633665 is a wasteful number, since it uses less digits than its factorization.

12633665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229719.

The product of its digits is 19440, while the sum is 32.

The square root of 12633665 is about 3554.3867262863. The cubic root of 12633665 is about 232.9037344780.

The spelling of 12633665 in words is "twelve million, six hundred thirty-three thousand, six hundred sixty-five".