11975472 has 80 divisors (see below), whose sum is σ = 36208000. Its totient is φ = 3779136.

The previous prime is 11975449. The next prime is 11975477. The reversal of 11975472 is 27457911.

It is a happy number.

11975472 is a `hidden beast` number, since 119 + 75 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11975477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (452600).

Almost surely, 2^11975472 is an apocalyptic number.

11975472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11975472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18104000).

11975472 is an abundant number, since it is smaller than the sum of its proper divisors (24232528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11975472 is a wasteful number, since it uses less digits than its factorization.

11975472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1483 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 11975472 is about 3460.5594923365. The cubic root of 11975472 is about 228.7867557170.

The spelling of 11975472 in words is "eleven million, nine hundred seventy-five thousand, four hundred seventy-two".