12573403 has 4 divisors (see below), whose sum is σ = 12732640. Its totient is φ = 12414168.

The previous prime is 12573401. The next prime is 12573427. The reversal of 12573403 is 30437521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12573403 - 2¹ = 12573401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12573401) 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, 79500 + ... + 79657.

It is an arithmetic number, because the mean of its divisors is an integer number (3183160).

Almost surely, 2^12573403 is an apocalyptic number.

12573403 is a deficient number, since it is larger than the sum of its proper divisors (159237).

12573403 is an equidigital number, since it uses as much as digits as its factorization.

12573403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159236.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12573403 is about 3545.8994627598. The cubic root of 12573403 is about 232.5328307591.

The spelling of 12573403 in words is "twelve million, five hundred seventy-three thousand, four hundred three".