11881406 has 8 divisors (see below), whose sum is σ = 17837064. Its totient is φ = 5935720.

The previous prime is 11881393. The next prime is 11881417. The reversal of 11881406 is 60418811.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (2229633).

Almost surely, 2^11881406 is an apocalyptic number.

11881406 is a deficient number, since it is larger than the sum of its proper divisors (5955658).

11881406 is a wasteful number, since it uses less digits than its factorization.

11881406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11881406 is about 3446.9415428754. The cubic root of 11881406 is about 228.1861488919.

The spelling of 11881406 in words is "eleven million, eight hundred eighty-one thousand, four hundred six".