1213304 has 16 divisors (see below), whose sum is σ = 2337000. Its totient is φ = 590112.

The previous prime is 1213301. The next prime is 1213327. The reversal of 1213304 is 4033121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754 + ... + 2345.

2^1213304 is an apocalyptic number.

It is an amenable number.

1213304 is a deficient number, since it is larger than the sum of its proper divisors (1123696).

1213304 is a wasteful number, since it uses less digits than its factorization.

1213304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1213304 is about 1101.5007943710. The cubic root of 1213304 is about 106.6571258828.

Adding to 1213304 its reverse (4033121), we get a palindrome (5246425).

The spelling of 1213304 in words is "one million, two hundred thirteen thousand, three hundred four".