11487963 has 4 divisors (see below), whose sum is σ = 15317288. Its totient is φ = 7658640.

The previous prime is 11487941. The next prime is 11487967. The reversal of 11487963 is 36978411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11487963 - 2¹⁶ = 11422427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11487967) 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, 1914658 + ... + 1914663.

It is an arithmetic number, because the mean of its divisors is an integer number (3829322).

Almost surely, 2^11487963 is an apocalyptic number.

11487963 is a deficient number, since it is larger than the sum of its proper divisors (3829325).

11487963 is an equidigital number, since it uses as much as digits as its factorization.

11487963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829324.

The product of its digits is 36288, while the sum is 39.

The square root of 11487963 is about 3389.3897680851. The cubic root of 11487963 is about 225.6390916427.

The spelling of 11487963 in words is "eleven million, four hundred eighty-seven thousand, nine hundred sixty-three".