12591486 has 12 divisors (see below), whose sum is σ = 27281592. Its totient is φ = 4197156.

The previous prime is 12591479. The next prime is 12591493. The reversal of 12591486 is 68419521.

It is an interprime number because it is at equal distance from previous prime (12591479) and next prime (12591493).

It is a self number, because there is not a number n which added to its sum of digits gives 12591486.

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, 349746 + ... + 349781.

It is an arithmetic number, because the mean of its divisors is an integer number (2273466).

Almost surely, 2^12591486 is an apocalyptic number.

12591486 is an abundant number, since it is smaller than the sum of its proper divisors (14690106).

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

12591486 is a wasteful number, since it uses less digits than its factorization.

12591486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699535 (or 699532 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12591486 is about 3548.4483933122. The cubic root of 12591486 is about 232.6442531791.

The spelling of 12591486 in words is "twelve million, five hundred ninety-one thousand, four hundred eighty-six".