11872885 has 8 divisors (see below), whose sum is σ = 15085656. Its totient is φ = 8939520.

The previous prime is 11872879. The next prime is 11872951. The reversal of 11872885 is 58827811.

It can be written as a sum of positive squares in 4 ways, for example, as 703921 + 11168964 = 839^2 + 3342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11872885 - 2³ = 11872877 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 69756 + ... + 69925.

It is an arithmetic number, because the mean of its divisors is an integer number (1885707).

Almost surely, 2^11872885 is an apocalyptic number.

It is an amenable number.

11872885 is a deficient number, since it is larger than the sum of its proper divisors (3212771).

11872885 is a wasteful number, since it uses less digits than its factorization.

11872885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139703.

The product of its digits is 35840, while the sum is 40.

The square root of 11872885 is about 3445.7052979035. The cubic root of 11872885 is about 228.1315863489.

The spelling of 11872885 in words is "eleven million, eight hundred seventy-two thousand, eight hundred eighty-five".