11587313 has 2 divisors, whose sum is σ = 11587314. Its totient is φ = 11587312.

The previous prime is 11587309. The next prime is 11587349. The reversal of 11587313 is 31378511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11404129 + 183184 = 3377^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 11587313 - 2² = 11587309 is a prime.

It is a super-3 number, since 3×11587313³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11587393) 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, 5793656 + 5793657.

It is an arithmetic number, because the mean of its divisors is an integer number (5793657).

Almost surely, 2^11587313 is an apocalyptic number.

It is an amenable number.

11587313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11587313 is an equidigital number, since it uses as much as digits as its factorization.

11587313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 11587313 is about 3404.0142479138. The cubic root of 11587313 is about 226.2876815234.

The spelling of 11587313 in words is "eleven million, five hundred eighty-seven thousand, three hundred thirteen".