12634047 has 12 divisors (see below), whose sum is σ = 18338424. Its totient is φ = 8381520.

The previous prime is 12634007. The next prime is 12634067. The reversal of 12634047 is 74043621.

It is not a de Polignac number, because 12634047 - 2⁸ = 12633791 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12634047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (1528202).

Almost surely, 2^12634047 is an apocalyptic number.

12634047 is a deficient number, since it is larger than the sum of its proper divisors (5704377).

12634047 is a wasteful number, since it uses less digits than its factorization.

12634047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870 (or 6867 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 12634047 is about 3554.4404622950. The cubic root of 12634047 is about 232.9060818657.

Adding to 12634047 its reverse (74043621), we get a palindrome (86677668).

The spelling of 12634047 in words is "twelve million, six hundred thirty-four thousand, forty-seven".