12770818 has 8 divisors (see below), whose sum is σ = 19185660. Its totient is φ = 6375600.

The previous prime is 12770801. The next prime is 12770837. The reversal of 12770818 is 81807721.

It can be written as a sum of positive squares in 2 ways, for example, as 12766329 + 4489 = 3573^2 + 67^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153 + ... + 5956.

Almost surely, 2^12770818 is an apocalyptic number.

12770818 is a deficient number, since it is larger than the sum of its proper divisors (6414842).

12770818 is an equidigital number, since it uses as much as digits as its factorization.

12770818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 12770818 is about 3573.6281283872. The cubic root of 12770818 is about 233.7435156961.

The spelling of 12770818 in words is "twelve million, seven hundred seventy thousand, eight hundred eighteen".