1224716 has 12 divisors (see below), whose sum is σ = 2154432. Its totient is φ = 609168.

The previous prime is 1224709. The next prime is 1224739. The reversal of 1224716 is 6174221.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1224691 and 1224700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (179536).

2^1224716 is an apocalyptic number.

It is an amenable number.

1224716 is a deficient number, since it is larger than the sum of its proper divisors (929716).

1224716 is a wasteful number, since it uses less digits than its factorization.

1224716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 1224716 is about 1106.6688754998. The cubic root of 1224716 is about 106.9904786706.

Adding to 1224716 its reverse (6174221), we get a palindrome (7398937).

The spelling of 1224716 in words is "one million, two hundred twenty-four thousand, seven hundred sixteen".