12906776 has 16 divisors (see below), whose sum is σ = 25474200. Its totient is φ = 6113664.

The previous prime is 12906767. The next prime is 12906779. The reversal of 12906776 is 67760921.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906779) 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, 42305 + ... + 42608.

Almost surely, 2^12906776 is an apocalyptic number.

It is an amenable number.

12906776 is a deficient number, since it is larger than the sum of its proper divisors (12567424).

12906776 is a wasteful number, since it uses less digits than its factorization.

12906776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84938 (or 84934 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 12906776 is about 3592.6001725770. The cubic root of 12906776 is about 234.5700664873.

The spelling of 12906776 in words is "twelve million, nine hundred six thousand, seven hundred seventy-six".