1305966 has 8 divisors (see below), whose sum is σ = 2611944. Its totient is φ = 435320.

The previous prime is 1305961. The next prime is 1305971. The reversal of 1305966 is 6695031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1305961) and next prime (1305971).

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

1305966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108825 + ... + 108836.

It is an arithmetic number, because the mean of its divisors is an integer number (326493).

2^1305966 is an apocalyptic number.

1305966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305966 is a wasteful number, since it uses less digits than its factorization.

1305966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217666.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1305966 is about 1142.7886943788. The cubic root of 1305966 is about 109.3059886834.

The spelling of 1305966 in words is "one million, three hundred five thousand, nine hundred sixty-six".