1224396 has 30 divisors (see below), whose sum is σ = 3201660. Its totient is φ = 408024.

The previous prime is 1224389. The next prime is 1224403. The reversal of 1224396 is 6934221.

It is an interprime number because it is at equal distance from previous prime (1224389) and next prime (1224403).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1566 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

2^1224396 is an apocalyptic number.

It is an amenable number.

1224396 is an abundant number, since it is smaller than the sum of its proper divisors (1977264).

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

1224396 is a wasteful number, since it uses less digits than its factorization.

1224396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795 (or 3784 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1224396 is about 1106.5242880299. The cubic root of 1224396 is about 106.9811595209.

The spelling of 1224396 in words is "one million, two hundred twenty-four thousand, three hundred ninety-six".