11945473 has 8 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 11404320.

The previous prime is 11945467. The next prime is 11945503. The reversal of 11945473 is 37454911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11945473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11915473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^11945473 is an apocalyptic number.

It is an amenable number.

11945473 is a deficient number, since it is larger than the sum of its proper divisors (553727).

11945473 is an equidigital number, since it uses as much as digits as its factorization.

11945473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287.

The product of its digits is 15120, while the sum is 34.

The square root of 11945473 is about 3456.2223597448. Note that the first 3 decimals coincide. The cubic root of 11945473 is about 228.5955562142.

The spelling of 11945473 in words is "eleven million, nine hundred forty-five thousand, four hundred seventy-three".