12633407 has 2 divisors, whose sum is σ = 12633408. Its totient is φ = 12633406.

The previous prime is 12633389. The next prime is 12633409. The reversal of 12633407 is 70433621.

12633407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12633407 - 2⁶ = 12633343 is a prime.

Together with 12633409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12633409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316703 + 6316704.

It is an arithmetic number, because the mean of its divisors is an integer number (6316704).

Almost surely, 2^12633407 is an apocalyptic number.

12633407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633407 is an equidigital number, since it uses as much as digits as its factorization.

12633407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 12633407 is about 3554.3504329202. The cubic root of 12633407 is about 232.9021490427.

It can be divided in two parts, 126 and 33407, that added together give a palindrome (33533).

The spelling of 12633407 in words is "twelve million, six hundred thirty-three thousand, four hundred seven".