11389065 has 32 divisors (see below), whose sum is σ = 19647360. Its totient is φ = 5612544.

The previous prime is 11389057. The next prime is 11389069. The reversal of 11389065 is 56098311.

It is not a de Polignac number, because 11389065 - 2³ = 11389057 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11389069) by changing a digit.

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, 14667 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (613980).

Almost surely, 2^11389065 is an apocalyptic number.

11389065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11389065 is a deficient number, since it is larger than the sum of its proper divisors (8258295).

11389065 is a wasteful number, since it uses less digits than its factorization.

11389065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

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

The square root of 11389065 is about 3374.7688809754. The cubic root of 11389065 is about 224.9897279261.

The spelling of 11389065 in words is "eleven million, three hundred eighty-nine thousand, sixty-five".