12634493 has 4 divisors (see below), whose sum is σ = 12903360. Its totient is φ = 12365628.

The previous prime is 12634481. The next prime is 12634537. The reversal of 12634493 is 39443621.

12634493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12634493 - 2⁴ = 12634477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634403) 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, 134363 + ... + 134456.

It is an arithmetic number, because the mean of its divisors is an integer number (3225840).

Almost surely, 2^12634493 is an apocalyptic number.

It is an amenable number.

12634493 is a deficient number, since it is larger than the sum of its proper divisors (268867).

12634493 is an equidigital number, since it uses as much as digits as its factorization.

12634493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268866.

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

The square root of 12634493 is about 3554.5032001674. The cubic root of 12634493 is about 232.9088224731.

The spelling of 12634493 in words is "twelve million, six hundred thirty-four thousand, four hundred ninety-three".