11256573 has 4 divisors (see below), whose sum is σ = 15008768. Its totient is φ = 7504380.

The previous prime is 11256563. The next prime is 11256577. The reversal of 11256573 is 37565211.

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.

It is not a de Polignac number, because 11256573 - 2⁵ = 11256541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11256573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256577) 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, 1876093 + ... + 1876098.

It is an arithmetic number, because the mean of its divisors is an integer number (3752192).

Almost surely, 2^11256573 is an apocalyptic number.

It is an amenable number.

11256573 is a deficient number, since it is larger than the sum of its proper divisors (3752195).

11256573 is an equidigital number, since it uses as much as digits as its factorization.

11256573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752194.

The product of its digits is 6300, while the sum is 30.

The square root of 11256573 is about 3355.0816681565. The cubic root of 11256573 is about 224.1138677552.

The spelling of 11256573 in words is "eleven million, two hundred fifty-six thousand, five hundred seventy-three".