12777130 has 16 divisors (see below), whose sum is σ = 23045544. Its totient is φ = 5100480.

The previous prime is 12777113. The next prime is 12777133. The reversal of 12777130 is 3177721.

It can be written as a sum of positive squares in 4 ways, for example, as 12201049 + 576081 = 3493^2 + 759^2 .

It is not an unprimeable number, because it can be changed into a prime (12777133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5644 + ... + 7576.

Almost surely, 2^12777130 is an apocalyptic number.

12777130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12777130 is a deficient number, since it is larger than the sum of its proper divisors (10268414).

12777130 is a wasteful number, since it uses less digits than its factorization.

12777130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 12777130 is about 3574.5111553889. The cubic root of 12777130 is about 233.7820187392.

The spelling of 12777130 in words is "twelve million, seven hundred seventy-seven thousand, one hundred thirty".