11512393 has 4 divisors (see below), whose sum is σ = 11555460. Its totient is φ = 11469328.

The previous prime is 11512387. The next prime is 11512399. The reversal of 11512393 is 39321511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39321511 = 4973 ⋅7907.

It is an interprime number because it is at equal distance from previous prime (11512387) and next prime (11512399).

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 5322249 = 2488^2 + 2307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11512393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512399) 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 in 3 ways as a sum of consecutive naturals, for example, 21130 + ... + 21667.

It is an arithmetic number, because the mean of its divisors is an integer number (2888865).

Almost surely, 2^11512393 is an apocalyptic number.

It is an amenable number.

11512393 is a deficient number, since it is larger than the sum of its proper divisors (43067).

11512393 is an equidigital number, since it uses as much as digits as its factorization.

11512393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43066.

The product of its digits is 810, while the sum is 25.

The square root of 11512393 is about 3392.9917477059. The cubic root of 11512393 is about 225.7989244502.

The spelling of 11512393 in words is "eleven million, five hundred twelve thousand, three hundred ninety-three".