1213304504 has 32 divisors (see below), whose sum is σ = 2299266000. Its totient is φ = 600187392.

The previous prime is 1213304459. The next prime is 1213304507. The reversal of 1213304504 is 4054033121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213304504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213304507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748607 + ... + 750225.

Almost surely, 2^1213304504 is an apocalyptic number.

It is an amenable number.

1213304504 is a deficient number, since it is larger than the sum of its proper divisors (1085961496).

1213304504 is a wasteful number, since it uses less digits than its factorization.

1213304504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1213304504 is about 34832.5207815914. The cubic root of 1213304504 is about 1066.5714065103.

Adding to 1213304504 its reverse (4054033121), we get a palindrome (5267337625).

The spelling of 1213304504 in words is "one billion, two hundred thirteen million, three hundred four thousand, five hundred four".