11472747 has 32 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 6270720.

The previous prime is 11472731. The next prime is 11472757. The reversal of 11472747 is 74727411.

It is not a de Polignac number, because 11472747 - 2⁴ = 11472731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11472757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19879 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^11472747 is an apocalyptic number.

11472747 is a deficient number, since it is larger than the sum of its proper divisors (6913173).

11472747 is a wasteful number, since it uses less digits than its factorization.

11472747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 10976, while the sum is 33.

The square root of 11472747 is about 3387.1443724766. The cubic root of 11472747 is about 225.5394267045.

The spelling of 11472747 in words is "eleven million, four hundred seventy-two thousand, seven hundred forty-seven".