1305970018 has 16 divisors (see below), whose sum is σ = 1977544800. Its totient is φ = 646815456.

The previous prime is 1305970013. The next prime is 1305970027. The reversal of 1305970018 is 8100795031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1305970013) 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, 93558 + ... + 106606.

It is an arithmetic number, because the mean of its divisors is an integer number (123596550).

Almost surely, 2^1305970018 is an apocalyptic number.

1305970018 is a deficient number, since it is larger than the sum of its proper divisors (671574782).

1305970018 is a wasteful number, since it uses less digits than its factorization.

1305970018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1305970018 is about 36138.2071774459. The cubic root of 1305970018 is about 1093.0610078206.

The spelling of 1305970018 in words is "one billion, three hundred five million, nine hundred seventy thousand, eighteen".