11887695 has 32 divisors (see below), whose sum is σ = 21297600. Its totient is φ = 6291072.

The previous prime is 11887669. The next prime is 11887699. The reversal of 11887695 is 59678811.

11887695 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11887695 - 2⁸ = 11887439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11887695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887699) 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 31 ways as a sum of consecutive naturals, for example, 23101 + ... + 23609.

It is an arithmetic number, because the mean of its divisors is an integer number (665550).

Almost surely, 2^11887695 is an apocalyptic number.

11887695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11887695 is a deficient number, since it is larger than the sum of its proper divisors (9409905).

11887695 is a wasteful number, since it uses less digits than its factorization.

11887695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 690 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 11887695 is about 3447.8536801900. The cubic root of 11887695 is about 228.2264025332.

The spelling of 11887695 in words is "eleven million, eight hundred eighty-seven thousand, six hundred ninety-five".