12772525 has 24 divisors (see below), whose sum is σ = 17202024. Its totient is φ = 9369600.

The previous prime is 12772519. The next prime is 12772537. The reversal of 12772525 is 52527721.

12772525 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 1503076 + 11269449 = 1226^2 + 3357^2 .

It is not a de Polignac number, because 12772525 - 2⁵ = 12772493 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17059 + ... + 17791.

It is an arithmetic number, because the mean of its divisors is an integer number (716751).

Almost surely, 2^12772525 is an apocalyptic number.

It is an amenable number.

12772525 is a deficient number, since it is larger than the sum of its proper divisors (4429499).

12772525 is a wasteful number, since it uses less digits than its factorization.

12772525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 796 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 12772525 is about 3573.8669533154. The cubic root of 12772525 is about 233.7539296050.

The spelling of 12772525 in words is "twelve million, seven hundred seventy-two thousand, five hundred twenty-five".