2013965 has 8 divisors (see below), whose sum is σ = 2458080. Its totient is φ = 1583632.

The previous prime is 2013941. The next prime is 2013967. The reversal of 2013965 is 5693102.

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

It is a cyclic number.

It is not a de Polignac number, because 2013965 - 2⁸ = 2013709 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3119 + ... + 3708.

It is an arithmetic number, because the mean of its divisors is an integer number (307260).

2^2013965 is an apocalyptic number.

It is an amenable number.

2013965 is a deficient number, since it is larger than the sum of its proper divisors (444115).

2013965 is an equidigital number, since it uses as much as digits as its factorization.

2013965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2013965 is about 1419.1423466305. The cubic root of 2013965 is about 126.2846717177.

The spelling of 2013965 in words is "two million, thirteen thousand, nine hundred sixty-five".