1256804 has 12 divisors (see below), whose sum is σ = 2250864. Its totient is φ = 613704.

The previous prime is 1256797. The next prime is 1256809. The reversal of 1256804 is 4086521.

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 not an unprimeable number, because it can be changed into a prime (1256809) 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, 3482 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (187572).

2^1256804 is an apocalyptic number.

It is an amenable number.

1256804 is a deficient number, since it is larger than the sum of its proper divisors (994060).

1256804 is a wasteful number, since it uses less digits than its factorization.

1256804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7352 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1256804 is about 1121.0727005864. The cubic root of 1256804 is about 107.9168312601.

The spelling of 1256804 in words is "one million, two hundred fifty-six thousand, eight hundred four".