1226812 has 6 divisors (see below), whose sum is σ = 2146928. Its totient is φ = 613404.

The previous prime is 1226807. The next prime is 1226821. The reversal of 1226812 is 2186221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153348 + ... + 153355.

2^1226812 is an apocalyptic number.

It is an amenable number.

1226812 is a deficient number, since it is larger than the sum of its proper divisors (920116).

1226812 is a wasteful number, since it uses less digits than its factorization.

1226812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306707 (or 306705 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 1226812 is about 1107.6154567358. The cubic root of 1226812 is about 107.0514789992.

The spelling of 1226812 in words is "one million, two hundred twenty-six thousand, eight hundred twelve".