11398065 has 16 divisors (see below), whose sum is σ = 20842368. Its totient is φ = 5210496.

The previous prime is 11398063. The next prime is 11398091. The reversal of 11398065 is 56089311.

It is not a de Polignac number, because 11398065 - 2¹ = 11398063 is a prime.

It is a super-5 number, since 5×11398065⁵ (a number of 36 digits) contains 55555 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11398063) 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, 54172 + ... + 54381.

It is an arithmetic number, because the mean of its divisors is an integer number (1302648).

Almost surely, 2^11398065 is an apocalyptic number.

11398065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11398065 is a deficient number, since it is larger than the sum of its proper divisors (9444303).

11398065 is a wasteful number, since it uses less digits than its factorization.

11398065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108568.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11398065 is about 3376.1020422967. The cubic root of 11398065 is about 225.0489769925.

The spelling of 11398065 in words is "eleven million, three hundred ninety-eight thousand, sixty-five".