1286944 has 24 divisors (see below), whose sum is σ = 2561328. Its totient is φ = 636480.

The previous prime is 1286941. The next prime is 1286953. The reversal of 1286944 is 4496821.

It is not an unprimeable number, because it can be changed into a prime (1286941) 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, 4039 + ... + 4345.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

2^1286944 is an apocalyptic number.

It is an amenable number.

1286944 is a deficient number, since it is larger than the sum of its proper divisors (1274384).

1286944 is a wasteful number, since it uses less digits than its factorization.

1286944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 440 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1286944 is about 1134.4355424615. The cubic root of 1286944 is about 108.7726935509.

The spelling of 1286944 in words is "one million, two hundred eighty-six thousand, nine hundred forty-four".