1224698 has 4 divisors (see below), whose sum is σ = 1837050. Its totient is φ = 612348.

The previous prime is 1224677. The next prime is 1224701. The reversal of 1224698 is 8964221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8964221 = 7 ⋅1280603.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 157609 = 1033^2 + 397^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306173 + ... + 306176.

2^1224698 is an apocalyptic number.

1224698 is a deficient number, since it is larger than the sum of its proper divisors (612352).

1224698 is an equidigital number, since it uses as much as digits as its factorization.

1224698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612351.

The product of its digits is 6912, while the sum is 32.

The square root of 1224698 is about 1106.6607429560. The cubic root of 1224698 is about 106.9899545116.

The spelling of 1224698 in words is "one million, two hundred twenty-four thousand, six hundred ninety-eight".