1296486 has 40 divisors (see below), whose sum is σ = 2979504. Its totient is φ = 421200.

The previous prime is 1296481. The next prime is 1296499. The reversal of 1296486 is 6846921.

1296486 is a `hidden beast` number, since 1 + 2 + 9 + 648 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1296486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8511 + ... + 8661.

2^1296486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489752).

1296486 is an abundant number, since it is smaller than the sum of its proper divisors (1683018).

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

1296486 is a wasteful number, since it uses less digits than its factorization.

1296486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 209 counting only the distinct ones).

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

The square root of 1296486 is about 1138.6333913951. The cubic root of 1296486 is about 109.0408622712.

The spelling of 1296486 in words is "one million, two hundred ninety-six thousand, four hundred eighty-six".