12677634025 has 27 divisors (see below), whose sum is σ = 18292526469. Its totient is φ = 8690532480.

The previous prime is 12677633959. The next prime is 12677634041. The reversal of 12677634025 is 52043677621.

The square root of 12677634025 is 112595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1291036761 + 11386597264 = 35931^2 + 106708^2 .

It is not a de Polignac number, because 12677634025 - 2¹⁷ = 12677502953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3939217 + ... + 3942433.

Almost surely, 2^12677634025 is an apocalyptic number.

12677634025 is the 112595-th square number.

12677634025 is the 56298-th centered octagonal number.

It is an amenable number.

12677634025 is a deficient number, since it is larger than the sum of its proper divisors (5614892444).

12677634025 is an frugal number, since it uses more digits than its factorization.

12677634025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

It can be divided in two parts, 126776 and 34025, that added together give a square (160801 = 401²).

The spelling of 12677634025 in words is "twelve billion, six hundred seventy-seven million, six hundred thirty-four thousand, twenty-five".