12486690 has 64 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 3290112.

The previous prime is 12486679. The next prime is 12486709. The reversal of 12486690 is 9668421.

It is a super-2 number, since 2×12486690² = 311834854312200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27586 + ... + 28034.

It is an arithmetic number, because the mean of its divisors is an integer number (526500).

Almost surely, 2^12486690 is an apocalyptic number.

12486690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12486690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848000).

12486690 is an abundant number, since it is smaller than the sum of its proper divisors (21209310).

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

12486690 is a wasteful number, since it uses less digits than its factorization.

12486690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 562 counting only the distinct ones).

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

The square root of 12486690 is about 3533.6510863412. The cubic root of 12486690 is about 231.9970396967.

The spelling of 12486690 in words is "twelve million, four hundred eighty-six thousand, six hundred ninety".