11640365 has 8 divisors (see below), whose sum is σ = 15238368. Its totient is φ = 8465680.

The previous prime is 11640347. The next prime is 11640403. The reversal of 11640365 is 56304611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11640365 - 2¹² = 11636269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 105767 + ... + 105876.

It is an arithmetic number, because the mean of its divisors is an integer number (1904796).

Almost surely, 2^11640365 is an apocalyptic number.

It is an amenable number.

11640365 is a deficient number, since it is larger than the sum of its proper divisors (3598003).

11640365 is a wasteful number, since it uses less digits than its factorization.

11640365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211659.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 11640365 is about 3411.7979131244. The cubic root of 11640365 is about 226.6325051843.

Adding to 11640365 its reverse (56304611), we get a palindrome (67944976).

The spelling of 11640365 in words is "eleven million, six hundred forty thousand, three hundred sixty-five".