12770775 has 36 divisors (see below), whose sum is σ = 23067720. Its totient is φ = 6753600.

The previous prime is 12770749. The next prime is 12770789. The reversal of 12770775 is 57707721.

It is a happy number.

It is not a de Polignac number, because 12770775 - 2⁶ = 12770711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47341 + ... + 47609.

It is an arithmetic number, because the mean of its divisors is an integer number (640770).

Almost surely, 2^12770775 is an apocalyptic number.

12770775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12770775 is a deficient number, since it is larger than the sum of its proper divisors (10296945).

12770775 is a wasteful number, since it uses less digits than its factorization.

12770775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 24010, while the sum is 36.

The square root of 12770775 is about 3573.6221120874. The cubic root of 12770775 is about 233.7432533537.

The spelling of 12770775 in words is "twelve million, seven hundred seventy thousand, seven hundred seventy-five".