11896878 has 32 divisors (see below), whose sum is σ = 27659520. Its totient is φ = 3340800.

The previous prime is 11896867. The next prime is 11896879. The reversal of 11896878 is 87869811.

It is a super-2 number, since 2×11896878² = 283071412293768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896879) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 78 + ... + 4878.

It is an arithmetic number, because the mean of its divisors is an integer number (864360).

Almost surely, 2^11896878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11896878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13829760).

11896878 is an abundant number, since it is smaller than the sum of its proper divisors (15762642).

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

11896878 is a wasteful number, since it uses less digits than its factorization.

11896878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872.

The product of its digits is 193536, while the sum is 48.

The square root of 11896878 is about 3449.1851211554. The cubic root of 11896878 is about 228.2851541423.

The spelling of 11896878 in words is "eleven million, eight hundred ninety-six thousand, eight hundred seventy-eight".