11878854 has 16 divisors (see below), whose sum is σ = 25585392. Its totient is φ = 3655008.

The previous prime is 11878847. The next prime is 11878861. The reversal of 11878854 is 45887811.

It is an interprime number because it is at equal distance from previous prime (11878847) and next prime (11878861).

It is a super-2 number, since 2×11878854² = 282214344706632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76069 + ... + 76224.

It is an arithmetic number, because the mean of its divisors is an integer number (1599087).

Almost surely, 2^11878854 is an apocalyptic number.

11878854 is an abundant number, since it is smaller than the sum of its proper divisors (13706538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11878854 is a wasteful number, since it uses less digits than its factorization.

11878854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152311.

The product of its digits is 71680, while the sum is 42.

The square root of 11878854 is about 3446.5713397520. The cubic root of 11878854 is about 228.1698104005.

The spelling of 11878854 in words is "eleven million, eight hundred seventy-eight thousand, eight hundred fifty-four".