12776970 has 16 divisors (see below), whose sum is σ = 30664800. Its totient is φ = 3407184.

The previous prime is 12776957. The next prime is 12776989. The reversal of 12776970 is 7967721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212920 + ... + 212979.

It is an arithmetic number, because the mean of its divisors is an integer number (1916550).

Almost surely, 2^12776970 is an apocalyptic number.

12776970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12776970 is an abundant number, since it is smaller than the sum of its proper divisors (17887830).

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

12776970 is a wasteful number, since it uses less digits than its factorization.

12776970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425909.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 12776970 is about 3574.4887746362. The cubic root of 12776970 is about 233.7810428998.

Subtracting from 12776970 its reverse (7967721), we obtain a square (4809249 = 2193²).

The spelling of 12776970 in words is "twelve million, seven hundred seventy-six thousand, nine hundred seventy".