13950565 has 4 divisors (see below), whose sum is σ = 16740684. Its totient is φ = 11160448.

The previous prime is 13950529. The next prime is 13950571. The reversal of 13950565 is 56505931.

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 9345249 + 4605316 = 3057^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 13950565 - 2¹³ = 13942373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13950565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395052 + ... + 1395061.

It is an arithmetic number, because the mean of its divisors is an integer number (4185171).

Almost surely, 2^13950565 is an apocalyptic number.

It is an amenable number.

13950565 is a deficient number, since it is larger than the sum of its proper divisors (2790119).

13950565 is an equidigital number, since it uses as much as digits as its factorization.

13950565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790118.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 13950565 is about 3735.0455151176. The cubic root of 13950565 is about 240.7302123805.

The spelling of 13950565 in words is "thirteen million, nine hundred fifty thousand, five hundred sixty-five".