11147963 has 4 divisors (see below), whose sum is σ = 11168328. Its totient is φ = 11127600.

The previous prime is 11147953. The next prime is 11148001. The reversal of 11147963 is 36974111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36974111 = 229 ⋅161459.

It is a cyclic number.

It is not a de Polignac number, because 11147963 - 2¹⁴ = 11131579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11147953) 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, 9338 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (2792082).

Almost surely, 2^11147963 is an apocalyptic number.

11147963 is a deficient number, since it is larger than the sum of its proper divisors (20365).

11147963 is an equidigital number, since it uses as much as digits as its factorization.

11147963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364.

The product of its digits is 4536, while the sum is 32.

The square root of 11147963 is about 3338.8565407936. The cubic root of 11147963 is about 223.3907431431.

The spelling of 11147963 in words is "eleven million, one hundred forty-seven thousand, nine hundred sixty-three".