11573229 has 4 divisors (see below), whose sum is σ = 15430976. Its totient is φ = 7715484.

The previous prime is 11573203. The next prime is 11573231. The reversal of 11573229 is 92237511.

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 11573229 - 2⁵ = 11573197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11573196 and 11573205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573269) 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, 1928869 + ... + 1928874.

It is an arithmetic number, because the mean of its divisors is an integer number (3857744).

Almost surely, 2^11573229 is an apocalyptic number.

It is an amenable number.

11573229 is a deficient number, since it is larger than the sum of its proper divisors (3857747).

11573229 is an equidigital number, since it uses as much as digits as its factorization.

11573229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857746.

The product of its digits is 3780, while the sum is 30.

The square root of 11573229 is about 3401.9448849151. The cubic root of 11573229 is about 226.1959625941.

The spelling of 11573229 in words is "eleven million, five hundred seventy-three thousand, two hundred twenty-nine".