13862965 has 4 divisors (see below), whose sum is σ = 16635564. Its totient is φ = 11090368.

The previous prime is 13862917. The next prime is 13862969. The reversal of 13862965 is 56926831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 9790641 = 2018^2 + 3129^2 .

It is a cyclic number.

It is not a de Polignac number, because 13862965 - 2²¹ = 11765813 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13862969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386292 + ... + 1386301.

It is an arithmetic number, because the mean of its divisors is an integer number (4158891).

Almost surely, 2^13862965 is an apocalyptic number.

It is an amenable number.

13862965 is a deficient number, since it is larger than the sum of its proper divisors (2772599).

13862965 is an equidigital number, since it uses as much as digits as its factorization.

13862965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772598.

The product of its digits is 77760, while the sum is 40.

The square root of 13862965 is about 3723.3002833508. The cubic root of 13862965 is about 240.2252803685.

The spelling of 13862965 in words is "thirteen million, eight hundred sixty-two thousand, nine hundred sixty-five".