1306450666 has 8 divisors (see below), whose sum is σ = 1965978144. Its totient is φ = 651124620.

The previous prime is 1306450657. The next prime is 1306450699. The reversal of 1306450666 is 6660546031.

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, 1049580 + ... + 1050823.

It is an arithmetic number, because the mean of its divisors is an integer number (245747268).

Almost surely, 2^1306450666 is an apocalyptic number.

1306450666 is a deficient number, since it is larger than the sum of its proper divisors (659527478).

1306450666 is a wasteful number, since it uses less digits than its factorization.

1306450666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100716.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1306450666 is about 36144.8567018878. The cubic root of 1306450666 is about 1093.1950877612.

Adding to 1306450666 its reverse (6660546031), we get a palindrome (7966996697).

The spelling of 1306450666 in words is "one billion, three hundred six million, four hundred fifty thousand, six hundred sixty-six".