12606635 has 4 divisors (see below), whose sum is σ = 15127968. Its totient is φ = 10085304.

The previous prime is 12606631. The next prime is 12606641. The reversal of 12606635 is 53660621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12606635 - 2² = 12606631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12606598 and 12606607.

It is not an unprimeable number, because it can be changed into a prime (12606631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260659 + ... + 1260668.

It is an arithmetic number, because the mean of its divisors is an integer number (3781992).

Almost surely, 2^12606635 is an apocalyptic number.

12606635 is a deficient number, since it is larger than the sum of its proper divisors (2521333).

12606635 is an equidigital number, since it uses as much as digits as its factorization.

12606635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521332.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 12606635 is about 3550.5823466018. The cubic root of 12606635 is about 232.7375150161.

The spelling of 12606635 in words is "twelve million, six hundred six thousand, six hundred thirty-five".