12770886 has 8 divisors (see below), whose sum is σ = 25541784. Its totient is φ = 4256960.

The previous prime is 12770881. The next prime is 12770897. The reversal of 12770886 is 68807721.

12770886 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12770886 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770881) 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, 1064235 + ... + 1064246.

It is an arithmetic number, because the mean of its divisors is an integer number (3192723).

Almost surely, 2^12770886 is an apocalyptic number.

12770886 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.

12770886 is a wasteful number, since it uses less digits than its factorization.

12770886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128486.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 12770886 is about 3573.6376425150. The cubic root of 12770886 is about 233.7439305620.

The spelling of 12770886 in words is "twelve million, seven hundred seventy thousand, eight hundred eighty-six".