12786116 has 12 divisors (see below), whose sum is σ = 25572288. Its totient is φ = 5479752.

The previous prime is 12786101. The next prime is 12786119. The reversal of 12786116 is 61168721.

It is a happy number.

12786116 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12786119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228296 + ... + 228351.

It is an arithmetic number, because the mean of its divisors is an integer number (2131024).

Almost surely, 2^12786116 is an apocalyptic number.

It is an amenable number.

12786116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12786116 is a wasteful number, since it uses less digits than its factorization.

12786116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456658 (or 456656 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 12786116 is about 3575.7678895588. The cubic root of 12786116 is about 233.8368112456.

The spelling of 12786116 in words is "twelve million, seven hundred eighty-six thousand, one hundred sixteen".