1304536013 has 8 divisors (see below), whose sum is σ = 1426183200. Its totient is φ = 1183397680.

The previous prime is 1304536003. The next prime is 1304536027. The reversal of 1304536013 is 3106354031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304536013 - 2⁴ = 1304535997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304536003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121838 + ... + 132111.

It is an arithmetic number, because the mean of its divisors is an integer number (178272900).

Almost surely, 2^1304536013 is an apocalyptic number.

It is an amenable number.

1304536013 is a deficient number, since it is larger than the sum of its proper divisors (121647187).

1304536013 is a wasteful number, since it uses less digits than its factorization.

1304536013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254427.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1304536013 is about 36118.3611616031. The cubic root of 1304536013 is about 1092.6607870427.

The spelling of 1304536013 in words is "one billion, three hundred four million, five hundred thirty-six thousand, thirteen".