11530963 has 4 divisors (see below), whose sum is σ = 11812248. Its totient is φ = 11249680.

The previous prime is 11530957. The next prime is 11530991. The reversal of 11530963 is 36903511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36903511 = 461 ⋅80051.

It is a cyclic number.

It is not a de Polignac number, because 11530963 - 2⁵ = 11530931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140581 + ... + 140662.

It is an arithmetic number, because the mean of its divisors is an integer number (2953062).

Almost surely, 2^11530963 is an apocalyptic number.

11530963 is a deficient number, since it is larger than the sum of its proper divisors (281285).

11530963 is an equidigital number, since it uses as much as digits as its factorization.

11530963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281284.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 11530963 is about 3395.7271680746. The cubic root of 11530963 is about 225.9202671198.

The spelling of 11530963 in words is "eleven million, five hundred thirty thousand, nine hundred sixty-three".