11867853 has 16 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 7366656.

The previous prime is 11867831. The next prime is 11867893. The reversal of 11867853 is 35876811.

It is a de Polignac number, because none of the positive numbers 2^k-11867853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11867893) 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 15 ways as a sum of consecutive naturals, for example, 3748 + ... + 6146.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^11867853 is an apocalyptic number.

It is an amenable number.

11867853 is a deficient number, since it is larger than the sum of its proper divisors (5066547).

11867853 is a wasteful number, since it uses less digits than its factorization.

11867853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516.

The product of its digits is 40320, while the sum is 39.

The square root of 11867853 is about 3444.9750361940. The cubic root of 11867853 is about 228.0993526680.

It can be divided in two parts, 11867 and 853, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 11867853 in words is "eleven million, eight hundred sixty-seven thousand, eight hundred fifty-three".