11528406 has 28 divisors (see below), whose sum is σ = 25930332. Its totient is φ = 3842316.

The previous prime is 11528371. The next prime is 11528411. The reversal of 11528406 is 60482511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11528406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2496 + ... + 5411.

Almost surely, 2^11528406 is an apocalyptic number.

11528406 is an abundant number, since it is smaller than the sum of its proper divisors (14401926).

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

11528406 is an frugal number, since it uses more digits than its factorization.

11528406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927 (or 7912 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 11528406 is about 3395.3506446316. The cubic root of 11528406 is about 225.9035665537.

The spelling of 11528406 in words is "eleven million, five hundred twenty-eight thousand, four hundred six".