11808872 has 8 divisors (see below), whose sum is σ = 22141650. Its totient is φ = 5904432.

The previous prime is 11808871. The next prime is 11808917. The reversal of 11808872 is 27880811.

It can be written as a sum of positive squares in only one way, i.e., 7540516 + 4268356 = 2746^2 + 2066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11808871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 738047 + ... + 738062.

Almost surely, 2^11808872 is an apocalyptic number.

It is an amenable number.

11808872 is a deficient number, since it is larger than the sum of its proper divisors (10332778).

11808872 is a wasteful number, since it uses less digits than its factorization.

11808872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476115 (or 1476111 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 11808872 is about 3436.4039343476. The cubic root of 11808872 is about 227.7208546413.

The spelling of 11808872 in words is "eleven million, eight hundred eight thousand, eight hundred seventy-two".