11528473 has 4 divisors (see below), whose sum is σ = 12576528. Its totient is φ = 10480420.

The previous prime is 11528471. The next prime is 11528477. The reversal of 11528473 is 37482511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37482511 = 11 ⋅3407501.

It is a cyclic number.

It is not a de Polignac number, because 11528473 - 2¹ = 11528471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11528471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524011 + ... + 524032.

It is an arithmetic number, because the mean of its divisors is an integer number (3144132).

Almost surely, 2^11528473 is an apocalyptic number.

It is an amenable number.

11528473 is a deficient number, since it is larger than the sum of its proper divisors (1048055).

11528473 is a wasteful number, since it uses less digits than its factorization.

11528473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048054.

The product of its digits is 6720, while the sum is 31.

The square root of 11528473 is about 3395.3605110503. The cubic root of 11528473 is about 225.9040041832.

The spelling of 11528473 in words is "eleven million, five hundred twenty-eight thousand, four hundred seventy-three".