14091965 has 4 divisors (see below), whose sum is σ = 16910364. Its totient is φ = 11273568.

The previous prime is 14091943. The next prime is 14091967. The reversal of 14091965 is 56919041.

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 4024036 + 10067929 = 2006^2 + 3173^2 .

It is a cyclic number.

It is not a de Polignac number, because 14091965 - 2¹⁰ = 14090941 is a prime.

It is a super-2 number, since 2×14091965² = 397166955122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14091967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409192 + ... + 1409201.

It is an arithmetic number, because the mean of its divisors is an integer number (4227591).

Almost surely, 2^14091965 is an apocalyptic number.

It is an amenable number.

14091965 is a deficient number, since it is larger than the sum of its proper divisors (2818399).

14091965 is an equidigital number, since it uses as much as digits as its factorization.

14091965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818398.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 14091965 is about 3753.9266108969. The cubic root of 14091965 is about 241.5408101442.

The spelling of 14091965 in words is "fourteen million, ninety-one thousand, nine hundred sixty-five".