11878134 has 8 divisors (see below), whose sum is σ = 23756280. Its totient is φ = 3959376.

The previous prime is 11878133. The next prime is 11878171. The reversal of 11878134 is 43187811.

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

11878134 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11878095 and 11878104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878133) 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, 989839 + ... + 989850.

It is an arithmetic number, because the mean of its divisors is an integer number (2969535).

Almost surely, 2^11878134 is an apocalyptic number.

11878134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11878134 is a wasteful number, since it uses less digits than its factorization.

11878134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979694.

The product of its digits is 5376, while the sum is 33.

The square root of 11878134 is about 3446.4668865376. The cubic root of 11878134 is about 228.1652003715.

The spelling of 11878134 in words is "eleven million, eight hundred seventy-eight thousand, one hundred thirty-four".