1329966 has 32 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 402840.

The previous prime is 1329953. The next prime is 1329971. The reversal of 1329966 is 6699231.

It is a super-2 number, since 2×1329966² = 3537619122312, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1329966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

2^1329966 is an apocalyptic number.

1329966 is an abundant number, since it is smaller than the sum of its proper divisors (1895634).

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

1329966 is a wasteful number, since it uses less digits than its factorization.

1329966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2255 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1329966 is about 1153.2415185034. The cubic root of 1329966 is about 109.9715077721.

The spelling of 1329966 in words is "one million, three hundred twenty-nine thousand, nine hundred sixty-six".