13165427 has 4 divisors (see below), whose sum is σ = 14362296. Its totient is φ = 11968560.

The previous prime is 13165417. The next prime is 13165441. The reversal of 13165427 is 72456131.

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

It is a cyclic number.

It is not a de Polignac number, because 13165427 - 2¹⁴ = 13149043 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 13165427.

It is not an unprimeable number, because it can be changed into a prime (13165417) 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 3 ways as a sum of consecutive naturals, for example, 598418 + ... + 598439.

It is an arithmetic number, because the mean of its divisors is an integer number (3590574).

Almost surely, 2^13165427 is an apocalyptic number.

13165427 is a deficient number, since it is larger than the sum of its proper divisors (1196869).

13165427 is a wasteful number, since it uses less digits than its factorization.

13165427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196868.

The product of its digits is 5040, while the sum is 29.

The square root of 13165427 is about 3628.4193528312. The cubic root of 13165427 is about 236.1266377220.

The spelling of 13165427 in words is "thirteen million, one hundred sixty-five thousand, four hundred twenty-seven".