11881004 has 12 divisors (see below), whose sum is σ = 21886200. Its totient is φ = 5627808.

The previous prime is 11880997. The next prime is 11881013. The reversal of 11881004 is 40018811.

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 3 ways as a sum of consecutive naturals, for example, 78089 + ... + 78240.

It is an arithmetic number, because the mean of its divisors is an integer number (1823850).

Almost surely, 2^11881004 is an apocalyptic number.

It is an amenable number.

11881004 is a deficient number, since it is larger than the sum of its proper divisors (10005196).

11881004 is a wasteful number, since it uses less digits than its factorization.

11881004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156352 (or 156350 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 11881004 is about 3446.8832298179. The cubic root of 11881004 is about 228.1835753506.

Adding to 11881004 its reverse (40018811), we get a palindrome (51899815).

It can be divided in two parts, 1188100 and 4, that multiplied together give a square (4752400 = 2180²).

The spelling of 11881004 in words is "eleven million, eight hundred eighty-one thousand, four".