1204092813 has 64 divisors (see below), whose sum is σ = 2176892928. Its totient is φ = 572728320.

The previous prime is 1204092809. The next prime is 1204092823. The reversal of 1204092813 is 3182904021.

It is not a de Polignac number, because 1204092813 - 2² = 1204092809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204092823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141156 + ... + 149442.

It is an arithmetic number, because the mean of its divisors is an integer number (34013952).

Almost surely, 2^1204092813 is an apocalyptic number.

It is an amenable number.

1204092813 is a deficient number, since it is larger than the sum of its proper divisors (972800115).

1204092813 is a wasteful number, since it uses less digits than its factorization.

1204092813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1204092813 is about 34700.0405331175. The cubic root of 1204092813 is about 1063.8653268243.

Adding to 1204092813 its reverse (3182904021), we get a palindrome (4386996834).

The spelling of 1204092813 in words is "one billion, two hundred four million, ninety-two thousand, eight hundred thirteen".