1304782973 has 4 divisors (see below), whose sum is σ = 1405150908. Its totient is φ = 1204415040.

The previous prime is 1304782949. The next prime is 1304783003. The reversal of 1304782973 is 3792874031.

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 129458884 + 1175324089 = 11378^2 + 34283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304782973 - 2¹⁶ = 1304717437 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 (1304782903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50183948 + ... + 50183973.

It is an arithmetic number, because the mean of its divisors is an integer number (351287727).

Almost surely, 2^1304782973 is an apocalyptic number.

1304782973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1304782973 is a deficient number, since it is larger than the sum of its proper divisors (100367935).

1304782973 is a wasteful number, since it uses less digits than its factorization.

1304782973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100367934.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 1304782973 is about 36121.7797595855. The cubic root of 1304782973 is about 1092.7297327520.

The spelling of 1304782973 in words is "one billion, three hundred four million, seven hundred eighty-two thousand, nine hundred seventy-three".