14571965 has 4 divisors (see below), whose sum is σ = 17486364. Its totient is φ = 11657568.

The previous prime is 14571961. The next prime is 14571971. The reversal of 14571965 is 56917541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56917541 = 947 ⋅60103.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 4605316 = 3157^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 14571965 - 2² = 14571961 is a prime.

It is a super-2 number, since 2×14571965² = 424684327922450, 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 (14571961) 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, 1457192 + ... + 1457201.

It is an arithmetic number, because the mean of its divisors is an integer number (4371591).

Almost surely, 2^14571965 is an apocalyptic number.

It is an amenable number.

14571965 is a deficient number, since it is larger than the sum of its proper divisors (2914399).

14571965 is an equidigital number, since it uses as much as digits as its factorization.

14571965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914398.

The product of its digits is 37800, while the sum is 38.

The square root of 14571965 is about 3817.3243247070. The cubic root of 14571965 is about 244.2526999929.

The spelling of 14571965 in words is "fourteen million, five hundred seventy-one thousand, nine hundred sixty-five".