1286526 has 16 divisors (see below), whose sum is σ = 2724624. Its totient is φ = 403584.

The previous prime is 1286521. The next prime is 1286533. The reversal of 1286526 is 6256821.

It is a junction number, because it is equal to n+sod(n) for n = 1286493 and 1286502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286521) 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, 6205 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (170289).

2^1286526 is an apocalyptic number.

1286526 is an abundant number, since it is smaller than the sum of its proper divisors (1438098).

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

1286526 is a wasteful number, since it uses less digits than its factorization.

1286526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635.

The product of its digits is 5760, while the sum is 30.

The square root of 1286526 is about 1134.2512949078. The cubic root of 1286526 is about 108.7609158022.

The spelling of 1286526 in words is "one million, two hundred eighty-six thousand, five hundred twenty-six".