11573493 has 16 divisors (see below), whose sum is σ = 16019520. Its totient is φ = 7426944.

The previous prime is 11573423. The next prime is 11573501. The reversal of 11573493 is 39437511.

11573493 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11573493 - 2¹⁰ = 11572469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8803 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (1001220).

Almost surely, 2^11573493 is an apocalyptic number.

It is an amenable number.

11573493 is a deficient number, since it is larger than the sum of its proper divisors (4446027).

11573493 is a wasteful number, since it uses less digits than its factorization.

11573493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its digits is 11340, while the sum is 33.

The square root of 11573493 is about 3401.9836860279. The cubic root of 11573493 is about 226.1976825197.

The spelling of 11573493 in words is "eleven million, five hundred seventy-three thousand, four hundred ninety-three".