13975065 has 32 divisors (see below), whose sum is σ = 26759040. Its totient is φ = 6879168.

The previous prime is 13975063. The next prime is 13975097. The reversal of 13975065 is 56057931.

It is a happy number.

It is not a de Polignac number, because 13975065 - 2¹ = 13975063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13975063) 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 31 ways as a sum of consecutive naturals, for example, 2227 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (836220).

Almost surely, 2^13975065 is an apocalyptic number.

13975065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13975065 is a deficient number, since it is larger than the sum of its proper divisors (12783975).

13975065 is a wasteful number, since it uses less digits than its factorization.

13975065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7984 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 13975065 is about 3738.3238222498. The cubic root of 13975065 is about 240.8710535326.

The spelling of 13975065 in words is "thirteen million, nine hundred seventy-five thousand, sixty-five".