11573272 has 8 divisors (see below), whose sum is σ = 21699900. Its totient is φ = 5786632.

The previous prime is 11573269. The next prime is 11573273. The reversal of 11573272 is 27237511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11573272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723322 + ... + 723337.

Almost surely, 2^11573272 is an apocalyptic number.

It is an amenable number.

11573272 is a deficient number, since it is larger than the sum of its proper divisors (10126628).

11573272 is a wasteful number, since it uses less digits than its factorization.

11573272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446665 (or 1446661 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 11573272 is about 3401.9512048235. The cubic root of 11573272 is about 226.1962427353.

The spelling of 11573272 in words is "eleven million, five hundred seventy-three thousand, two hundred seventy-two".