1296228 has 24 divisors (see below), whose sum is σ = 3055360. Its totient is φ = 427680.

The previous prime is 1296227. The next prime is 1296277. The reversal of 1296228 is 8226921.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1296195 and 1296204.

It is not an unprimeable number, because it can be changed into a prime (1296227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813 + ... + 1803.

2^1296228 is an apocalyptic number.

It is an amenable number.

1296228 is an abundant number, since it is smaller than the sum of its proper divisors (1759132).

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

1296228 is a wasteful number, since it uses less digits than its factorization.

1296228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1105 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 1296228 is about 1138.5200920493. The cubic root of 1296228 is about 109.0336287675.

The spelling of 1296228 in words is "one million, two hundred ninety-six thousand, two hundred twenty-eight".