1286612 has 12 divisors (see below), whose sum is σ = 2288916. Its totient is φ = 632640.

The previous prime is 1286587. The next prime is 1286617. The reversal of 1286612 is 2166821.

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 1012036 = 524^2 + 1006^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (190743).

2^1286612 is an apocalyptic number.

It is an amenable number.

1286612 is a deficient number, since it is larger than the sum of its proper divisors (1002304).

1286612 is a wasteful number, since it uses less digits than its factorization.

1286612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338 (or 5336 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1286612 is about 1134.2892047445. The cubic root of 1286612 is about 108.7633391838.

The spelling of 1286612 in words is "one million, two hundred eighty-six thousand, six hundred twelve".