2013966 has 24 divisors (see below), whose sum is σ = 4402944. Its totient is φ = 665280.

The previous prime is 2013941. The next prime is 2013967. The reversal of 2013966 is 6693102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1846 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

2^2013966 is an apocalyptic number.

2013966 is an abundant number, since it is smaller than the sum of its proper divisors (2388978).

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

2013966 is a wasteful number, since it uses less digits than its factorization.

2013966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2013966 is about 1419.1426989560. The cubic root of 2013966 is about 126.2846926192.

The spelling of 2013966 in words is "two million, thirteen thousand, nine hundred sixty-six".