1204433413 has 4 divisors (see below), whose sum is σ = 1204994988. Its totient is φ = 1203871840.

The previous prime is 1204433393. The next prime is 1204433437. The reversal of 1204433413 is 3143344021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214827649 + 989605764 = 14657^2 + 31458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204433413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204433443) 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 3 ways as a sum of consecutive naturals, for example, 277558 + ... + 281863.

It is an arithmetic number, because the mean of its divisors is an integer number (301248747).

Almost surely, 2^1204433413 is an apocalyptic number.

It is an amenable number.

1204433413 is a deficient number, since it is larger than the sum of its proper divisors (561575).

1204433413 is an equidigital number, since it uses as much as digits as its factorization.

1204433413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561574.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1204433413 is about 34704.9479613498. The cubic root of 1204433413 is about 1063.9656287185.

Adding to 1204433413 its reverse (3143344021), we get a palindrome (4347777434).

The spelling of 1204433413 in words is "one billion, two hundred four million, four hundred thirty-three thousand, four hundred thirteen".