12681486 has 12 divisors (see below), whose sum is σ = 27476592. Its totient is φ = 4227156.

The previous prime is 12681457. The next prime is 12681499. The reversal of 12681486 is 68418621.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12681486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352246 + ... + 352281.

It is an arithmetic number, because the mean of its divisors is an integer number (2289716).

Almost surely, 2^12681486 is an apocalyptic number.

12681486 is an abundant number, since it is smaller than the sum of its proper divisors (14795106).

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

12681486 is a wasteful number, since it uses less digits than its factorization.

12681486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704535 (or 704532 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 12681486 is about 3561.1074120279. The cubic root of 12681486 is about 233.1972271991.

The spelling of 12681486 in words is "twelve million, six hundred eighty-one thousand, four hundred eighty-six".