13825965 has 16 divisors (see below), whose sum is σ = 22206528. Its totient is φ = 7345536.

The previous prime is 13825963. The next prime is 13825993. The reversal of 13825965 is 56952831.

It is not a de Polignac number, because 13825965 - 2¹ = 13825963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2617 + ... + 5873.

It is an arithmetic number, because the mean of its divisors is an integer number (1387908).

Almost surely, 2^13825965 is an apocalyptic number.

13825965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13825965 is a deficient number, since it is larger than the sum of its proper divisors (8380563).

13825965 is a wasteful number, since it uses less digits than its factorization.

13825965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548.

The product of its digits is 64800, while the sum is 39.

The square root of 13825965 is about 3718.3282533956. The cubic root of 13825965 is about 240.0113709890.

The spelling of 13825965 in words is "thirteen million, eight hundred twenty-five thousand, nine hundred sixty-five".