11640583 has 2 divisors, whose sum is σ = 11640584. Its totient is φ = 11640582.

The previous prime is 11640547. The next prime is 11640611. The reversal of 11640583 is 38504611.

It is an a-pointer prime, because the next prime (11640611) can be obtained adding 11640583 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11640583 is a prime.

It is a super-4 number, since 4×11640583⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11640883) 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 as a sum of consecutive naturals, namely, 5820291 + 5820292.

It is an arithmetic number, because the mean of its divisors is an integer number (5820292).

Almost surely, 2^11640583 is an apocalyptic number.

11640583 is a deficient number, since it is larger than the sum of its proper divisors (1).

11640583 is an equidigital number, since it uses as much as digits as its factorization.

11640583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 11640583 is about 3411.8298609397. The cubic root of 11640583 is about 226.6339199617.

The spelling of 11640583 in words is "eleven million, six hundred forty thousand, five hundred eighty-three".