1304828011 has 4 divisors (see below), whose sum is σ = 1326943800. Its totient is φ = 1282712224.

The previous prime is 1304827987. The next prime is 1304828017. The reversal of 1304828011 is 1108284031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304828011 - 2⁹ = 1304827499 is a prime.

It is a super-2 number, since 2×1304828011² = 3405152276580432242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304828017) 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, 11057806 + ... + 11057923.

It is an arithmetic number, because the mean of its divisors is an integer number (331735950).

Almost surely, 2^1304828011 is an apocalyptic number.

1304828011 is a deficient number, since it is larger than the sum of its proper divisors (22115789).

1304828011 is an equidigital number, since it uses as much as digits as its factorization.

1304828011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22115788.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1304828011 is about 36122.4031731002. The cubic root of 1304828011 is about 1092.7423054164.

The spelling of 1304828011 in words is "one billion, three hundred four million, eight hundred twenty-eight thousand, eleven".