11887465 has 4 divisors (see below), whose sum is σ = 14264964. Its totient is φ = 9509968.

The previous prime is 11887457. The next prime is 11887489. The reversal of 11887465 is 56478811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7823209 + 4064256 = 2797^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 11887465 - 2³ = 11887457 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 1188742 + ... + 1188751.

It is an arithmetic number, because the mean of its divisors is an integer number (3566241).

Almost surely, 2^11887465 is an apocalyptic number.

It is an amenable number.

11887465 is a deficient number, since it is larger than the sum of its proper divisors (2377499).

11887465 is an equidigital number, since it uses as much as digits as its factorization.

11887465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377498.

The product of its digits is 53760, while the sum is 40.

The square root of 11887465 is about 3447.8203259451. The cubic root of 11887465 is about 228.2249306355.

The spelling of 11887465 in words is "eleven million, eight hundred eighty-seven thousand, four hundred sixty-five".