1213296384 has 36 divisors (see below), whose sum is σ = 3229139816. Its totient is φ = 404431872.

The previous prime is 1213296379. The next prime is 1213296397. The reversal of 1213296384 is 4836923121.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789139 + ... + 790674.

Almost surely, 2^1213296384 is an apocalyptic number.

It is an amenable number.

1213296384 is an abundant number, since it is smaller than the sum of its proper divisors (2015843432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213296384 is an equidigital number, since it uses as much as digits as its factorization.

1213296384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579832 (or 1579818 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 1213296384 is about 34832.4042236536. The cubic root of 1213296384 is about 1066.5690271738.

The spelling of 1213296384 in words is "one billion, two hundred thirteen million, two hundred ninety-six thousand, three hundred eighty-four".