1312370666 has 8 divisors (see below), whose sum is σ = 1973001024. Its totient is φ = 654703660.

The previous prime is 1312370659. The next prime is 1312370671. The reversal of 1312370666 is 6660732131.

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

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, 739730 + ... + 741501.

It is an arithmetic number, because the mean of its divisors is an integer number (246625128).

Almost surely, 2^1312370666 is an apocalyptic number.

1312370666 is a deficient number, since it is larger than the sum of its proper divisors (660630358).

1312370666 is a wasteful number, since it uses less digits than its factorization.

1312370666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481676.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1312370666 is about 36226.6568427174. The cubic root of 1312370666 is about 1094.8438205698.

The spelling of 1312370666 in words is "one billion, three hundred twelve million, three hundred seventy thousand, six hundred sixty-six".