12690486 has 16 divisors (see below), whose sum is σ = 28201200. Its totient is φ = 4230144.

The previous prime is 12690473. The next prime is 12690511. The reversal of 12690486 is 68409621.

It is a super-2 number, since 2×12690486² = 322096869832392, which contains 22 as substring.

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 12690486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117451 + ... + 117558.

It is an arithmetic number, because the mean of its divisors is an integer number (1762575).

Almost surely, 2^12690486 is an apocalyptic number.

12690486 is an abundant number, since it is smaller than the sum of its proper divisors (15510714).

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

12690486 is a wasteful number, since it uses less digits than its factorization.

12690486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235020 (or 235014 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 12690486 is about 3562.3708397639. The cubic root of 12690486 is about 233.2523805342.

The spelling of 12690486 in words is "twelve million, six hundred ninety thousand, four hundred eighty-six".