11871472 has 10 divisors (see below), whose sum is σ = 23001008. Its totient is φ = 5935728.

The previous prime is 11871467. The next prime is 11871511. The reversal of 11871472 is 27417811.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 370968 + ... + 370999.

Almost surely, 2^11871472 is an apocalyptic number.

It is an amenable number.

11871472 is a deficient number, since it is larger than the sum of its proper divisors (11129536).

11871472 is an equidigital number, since it uses as much as digits as its factorization.

11871472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741975 (or 741969 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 11871472 is about 3445.5002539544. The cubic root of 11871472 is about 228.1225359589.

The spelling of 11871472 in words is "eleven million, eight hundred seventy-one thousand, four hundred seventy-two".