12935811 has 16 divisors (see below), whose sum is σ = 19781888. Its totient is φ = 7365600.

The previous prime is 12935807. The next prime is 12935833. The reversal of 12935811 is 11853921.

It is not a de Polignac number, because 12935811 - 2² = 12935807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12935801) 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, 6021 + ... + 7881.

It is an arithmetic number, because the mean of its divisors is an integer number (1236368).

Almost surely, 2^12935811 is an apocalyptic number.

12935811 is a deficient number, since it is larger than the sum of its proper divisors (6846077).

12935811 is a wasteful number, since it uses less digits than its factorization.

12935811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202.

The product of its digits is 2160, while the sum is 30.

The square root of 12935811 is about 3596.6388475909. The cubic root of 12935811 is about 234.7458305232.

The spelling of 12935811 in words is "twelve million, nine hundred thirty-five thousand, eight hundred eleven".