16013965 has 16 divisors (see below), whose sum is σ = 21041856. Its totient is φ = 11603200.

The previous prime is 16013951. The next prime is 16013969. The reversal of 16013965 is 56931061.

It is not a de Polignac number, because 16013965 - 2¹¹ = 16011917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16013969) 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 15 ways as a sum of consecutive naturals, for example, 26709 + ... + 27301.

It is an arithmetic number, because the mean of its divisors is an integer number (1315116).

Almost surely, 2^16013965 is an apocalyptic number.

It is an amenable number.

16013965 is a deficient number, since it is larger than the sum of its proper divisors (5027891).

16013965 is a wasteful number, since it uses less digits than its factorization.

16013965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 16013965 is about 4001.7452442653. The cubic root of 16013965 is about 252.0575003163.

The spelling of 16013965 in words is "sixteen million, thirteen thousand, nine hundred sixty-five".