12725986 has 32 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 5030928.

The previous prime is 12725971. The next prime is 12725987. The reversal of 12725986 is 68952721.

It is not an unprimeable number, because it can be changed into a prime (12725987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8205 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (749700).

Almost surely, 2^12725986 is an apocalyptic number.

12725986 is a deficient number, since it is larger than the sum of its proper divisors (11264414).

12725986 is a wasteful number, since it uses less digits than its factorization.

12725986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1449 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 12725986 is about 3567.3499968464. The cubic root of 12725986 is about 233.4696758717.

The spelling of 12725986 in words is "twelve million, seven hundred twenty-five thousand, nine hundred eighty-six".