12634279 has 8 divisors (see below), whose sum is σ = 14829728. Its totient is φ = 10536480.

The previous prime is 12634253. The next prime is 12634301. The reversal of 12634279 is 97243621.

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

It is a cyclic number.

It is not a de Polignac number, because 12634279 - 2⁷ = 12634151 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 (12634249) 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, 24132 + ... + 24649.

It is an arithmetic number, because the mean of its divisors is an integer number (1853716).

Almost surely, 2^12634279 is an apocalyptic number.

12634279 is a deficient number, since it is larger than the sum of its proper divisors (2195449).

12634279 is an equidigital number, since it uses as much as digits as its factorization.

12634279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48825.

The product of its digits is 18144, while the sum is 34.

The square root of 12634279 is about 3554.4730973803. The cubic root of 12634279 is about 232.9075074812.

The spelling of 12634279 in words is "twelve million, six hundred thirty-four thousand, two hundred seventy-nine".