12786011 has 8 divisors (see below), whose sum is σ = 14911200. Its totient is φ = 10959144.

The previous prime is 12786001. The next prime is 12786017. The reversal of 12786011 is 11068721.

12786011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12786011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12786017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18296 + ... + 18981.

It is an arithmetic number, because the mean of its divisors is an integer number (1863900).

Almost surely, 2^12786011 is an apocalyptic number.

12786011 is a deficient number, since it is larger than the sum of its proper divisors (2125189).

12786011 is an frugal number, since it uses more digits than its factorization.

12786011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37298 (or 37284 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12786011 is about 3575.7532073676. The cubic root of 12786011 is about 233.8361711520.

The spelling of 12786011 in words is "twelve million, seven hundred eighty-six thousand, eleven".