12689486 has 8 divisors (see below), whose sum is σ = 19076904. Its totient is φ = 6330520.

The previous prime is 12689477. The next prime is 12689507. The reversal of 12689486 is 68498621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12689486² = 322046109888392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (2384613).

Almost surely, 2^12689486 is an apocalyptic number.

12689486 is a deficient number, since it is larger than the sum of its proper divisors (6387418).

12689486 is a wasteful number, since it uses less digits than its factorization.

12689486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226.

The product of its digits is 165888, while the sum is 44.

The square root of 12689486 is about 3562.2304810329. The cubic root of 12689486 is about 233.2462536738.

The spelling of 12689486 in words is "twelve million, six hundred eighty-nine thousand, four hundred eighty-six".