11881334 has 16 divisors (see below), whose sum is σ = 19132848. Its totient is φ = 5513472.

The previous prime is 11881333. The next prime is 11881343. The reversal of 11881334 is 43318811.

It is a super-5 number, since 5×11881334⁵ (a number of 37 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11881297 and 11881306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (1195803).

Almost surely, 2^11881334 is an apocalyptic number.

11881334 is a deficient number, since it is larger than the sum of its proper divisors (7251514).

11881334 is a wasteful number, since it uses less digits than its factorization.

11881334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879.

The product of its digits is 2304, while the sum is 29.

The square root of 11881334 is about 3446.9310988182. The cubic root of 11881334 is about 228.1856879634.

The spelling of 11881334 in words is "eleven million, eight hundred eighty-one thousand, three hundred thirty-four".