1300399966 has 8 divisors (see below), whose sum is σ = 2013522624. Its totient is φ = 629225760.

The previous prime is 1300399951. The next prime is 1300399973. The reversal of 1300399966 is 6699930031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10487035 + ... + 10487158.

It is an arithmetic number, because the mean of its divisors is an integer number (251690328).

Almost surely, 2^1300399966 is an apocalyptic number.

1300399966 is a deficient number, since it is larger than the sum of its proper divisors (713122658).

1300399966 is a wasteful number, since it uses less digits than its factorization.

1300399966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20974226.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 1300399966 is about 36061.0588585527. The cubic root of 1300399966 is about 1091.5047998011.

The spelling of 1300399966 in words is "one billion, three hundred million, three hundred ninety-nine thousand, nine hundred sixty-six".