1228698 has 12 divisors (see below), whose sum is σ = 2662218. Its totient is φ = 409560.

The previous prime is 1228693. The next prime is 1228741. The reversal of 1228698 is 8968221.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 3249 = 1107^2 + 57^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1228691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34113 + ... + 34148.

2^1228698 is an apocalyptic number.

1228698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1228698 is an abundant number, since it is smaller than the sum of its proper divisors (1433520).

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

1228698 is a wasteful number, since it uses less digits than its factorization.

1228698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68269 (or 68266 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1228698 is about 1108.4665082897. The cubic root of 1228698 is about 107.1063082957.

The spelling of 1228698 in words is "one million, two hundred twenty-eight thousand, six hundred ninety-eight".