12355573 has 4 divisors (see below), whose sum is σ = 12376800. Its totient is φ = 12334348.

The previous prime is 12355559. The next prime is 12355579. The reversal of 12355573 is 37555321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37555321 = 61 ⋅615661.

It is a cyclic number.

It is not a de Polignac number, because 12355573 - 2¹⁷ = 12224501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355579) 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, 9715 + ... + 10912.

It is an arithmetic number, because the mean of its divisors is an integer number (3094200).

Almost surely, 2^12355573 is an apocalyptic number.

It is an amenable number.

12355573 is a deficient number, since it is larger than the sum of its proper divisors (21227).

12355573 is an equidigital number, since it uses as much as digits as its factorization.

12355573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226.

The product of its digits is 15750, while the sum is 31.

The square root of 12355573 is about 3515.0495017851. The cubic root of 12355573 is about 231.1821492685.

It can be divided in two parts, 123 and 55573, that added together give a square (55696 = 236²).

The spelling of 12355573 in words is "twelve million, three hundred fifty-five thousand, five hundred seventy-three".