12730835 has 16 divisors (see below), whose sum is σ = 16683744. Its totient is φ = 9268992.

The previous prime is 12730831. The next prime is 12730853. The reversal of 12730835 is 53803721.

It is a cyclic number.

It is not a de Polignac number, because 12730835 - 2² = 12730831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12730798 and 12730807.

It is not an unprimeable number, because it can be changed into a prime (12730831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3404 + ... + 6086.

It is an arithmetic number, because the mean of its divisors is an integer number (1042734).

Almost surely, 2^12730835 is an apocalyptic number.

12730835 is a deficient number, since it is larger than the sum of its proper divisors (3952909).

12730835 is a wasteful number, since it uses less digits than its factorization.

12730835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12730835 is about 3568.0295682631. The cubic root of 12730835 is about 233.4993251971.

The spelling of 12730835 in words is "twelve million, seven hundred thirty thousand, eight hundred thirty-five".