12634505 has 8 divisors (see below), whose sum is σ = 16327752. Its totient is φ = 9330048.

The previous prime is 12634481. The next prime is 12634537. The reversal of 12634505 is 50543621.

It can be written as a sum of positive squares in 4 ways, for example, as 635209 + 11999296 = 797^2 + 3464^2 .

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

It is not a de Polignac number, because 12634505 - 2⁸ = 12634249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97124 + ... + 97253.

It is an arithmetic number, because the mean of its divisors is an integer number (2040969).

Almost surely, 2^12634505 is an apocalyptic number.

It is an amenable number.

12634505 is a deficient number, since it is larger than the sum of its proper divisors (3693247).

12634505 is a wasteful number, since it uses less digits than its factorization.

12634505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194395.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12634505 is about 3554.5048881666. The cubic root of 12634505 is about 232.9088962106.

The spelling of 12634505 in words is "twelve million, six hundred thirty-four thousand, five hundred five".