12633937 has 4 divisors (see below), whose sum is σ = 13069620. Its totient is φ = 12198256.

The previous prime is 12633931. The next prime is 12633949. The reversal of 12633937 is 73933621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7177041 + 5456896 = 2679^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12633937 - 2⁷ = 12633809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12633931) 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, 217798 + ... + 217855.

It is an arithmetic number, because the mean of its divisors is an integer number (3267405).

Almost surely, 2^12633937 is an apocalyptic number.

It is an amenable number.

12633937 is a deficient number, since it is larger than the sum of its proper divisors (435683).

12633937 is an equidigital number, since it uses as much as digits as its factorization.

12633937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435682.

The product of its digits is 20412, while the sum is 34.

The square root of 12633937 is about 3554.4249886585. The cubic root of 12633937 is about 232.9054059212.

The spelling of 12633937 in words is "twelve million, six hundred thirty-three thousand, nine hundred thirty-seven".