11842087 has 4 divisors (see below), whose sum is σ = 11950840. Its totient is φ = 11733336.

The previous prime is 11842057. The next prime is 11842097. The reversal of 11842087 is 78024811.

11842087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11842087 - 2¹⁵ = 11809319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11842037) 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, 54213 + ... + 54430.

It is an arithmetic number, because the mean of its divisors is an integer number (2987710).

Almost surely, 2^11842087 is an apocalyptic number.

11842087 is a deficient number, since it is larger than the sum of its proper divisors (108753).

11842087 is a wasteful number, since it uses less digits than its factorization.

11842087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108752.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 11842087 is about 3441.2333544821. The cubic root of 11842087 is about 227.9341594539.

Adding to 11842087 its reverse (78024811), we get a palindrome (89866898).

The spelling of 11842087 in words is "eleven million, eight hundred forty-two thousand, eighty-seven".