12986562 has 16 divisors (see below), whose sum is σ = 26019360. Its totient is φ = 4321152.

The previous prime is 12986527. The next prime is 12986563. The reversal of 12986562 is 26568921.

It is a self number, because there is not a number n which added to its sum of digits gives 12986562.

It is not an unprimeable number, because it can be changed into a prime (12986563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514 + ... + 5682.

It is an arithmetic number, because the mean of its divisors is an integer number (1626210).

Almost surely, 2^12986562 is an apocalyptic number.

12986562 is an abundant number, since it is smaller than the sum of its proper divisors (13032798).

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

12986562 is a wasteful number, since it uses less digits than its factorization.

12986562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857.

The product of its digits is 51840, while the sum is 39.

The square root of 12986562 is about 3603.6872783303. The cubic root of 12986562 is about 235.0524222873.

The spelling of 12986562 in words is "twelve million, nine hundred eighty-six thousand, five hundred sixty-two".