13690065 has 32 divisors (see below), whose sum is σ = 23040000. Its totient is φ = 6932160.

The previous prime is 13690031. The next prime is 13690087. The reversal of 13690065 is 56009631.

It is a happy number.

It is not a de Polignac number, because 13690065 - 2⁹ = 13689553 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27186 + ... + 27684.

It is an arithmetic number, because the mean of its divisors is an integer number (720000).

Almost surely, 2^13690065 is an apocalyptic number.

13690065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13690065 is a deficient number, since it is larger than the sum of its proper divisors (9349935).

13690065 is a wasteful number, since it uses less digits than its factorization.

13690065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 13690065 is about 3700.0087837734. The cubic root of 13690065 is about 239.2223964686. Note that the first 3 decimals are identical.

Adding to 13690065 its reverse (56009631), we get a palindrome (69699696).

The spelling of 13690065 in words is "thirteen million, six hundred ninety thousand, sixty-five".