1212704 has 12 divisors (see below), whose sum is σ = 2387574. Its totient is φ = 606336.

The previous prime is 1212703. The next prime is 1212709. The reversal of 1212704 is 4072121.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 2704 = 1100^2 + 52^2 .

It is not an unprimeable number, because it can be changed into a prime (1212703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18917 + ... + 18980.

2^1212704 is an apocalyptic number.

It is an amenable number.

1212704 is a deficient number, since it is larger than the sum of its proper divisors (1174870).

1212704 is an equidigital number, since it uses as much as digits as its factorization.

1212704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37907 (or 37899 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1212704 is about 1101.2284050096. The cubic root of 1212704 is about 106.6395417139.

Adding to 1212704 its reverse (4072121), we get a palindrome (5284825).

It can be divided in two parts, 121 and 2704, that multiplied together give a square (327184 = 572²).

The spelling of 1212704 in words is "one million, two hundred twelve thousand, seven hundred four".