12426635 has 16 divisors (see below), whose sum is σ = 16496256. Its totient is φ = 8926848.

The previous prime is 12426619. The next prime is 12426653. The reversal of 12426635 is 53662421.

It is a cyclic number.

It is not a de Polignac number, because 12426635 - 2⁴ = 12426619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12426598 and 12426607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (1031016).

Almost surely, 2^12426635 is an apocalyptic number.

12426635 is a deficient number, since it is larger than the sum of its proper divisors (4069621).

12426635 is a wasteful number, since it uses less digits than its factorization.

12426635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222.

The product of its digits is 8640, while the sum is 29.

The square root of 12426635 is about 3525.1432595002. The cubic root of 12426635 is about 231.6245102689.

The spelling of 12426635 in words is "twelve million, four hundred twenty-six thousand, six hundred thirty-five".