1207856 has 20 divisors (see below), whose sum is σ = 2520672. Its totient is φ = 557376.

The previous prime is 1207841. The next prime is 1207883. The reversal of 1207856 is 6587021.

It is a super-2 number, since 2×1207856² = 2917832233472, which contains 22 as substring.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696 + ... + 3111.

2^1207856 is an apocalyptic number.

1207856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1207856 is an abundant number, since it is smaller than the sum of its proper divisors (1312816).

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

1207856 is a wasteful number, since it uses less digits than its factorization.

1207856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828 (or 5822 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1207856 is about 1099.0250224631. The cubic root of 1207856 is about 106.4972484172.

The spelling of 1207856 in words is "one million, two hundred seven thousand, eight hundred fifty-six".