12605203 has 6 divisors (see below), whose sum is σ = 13649604. Its totient is φ = 11635416.

The previous prime is 12605191. The next prime is 12605207. The reversal of 12605203 is 30250621.

It is a happy number.

12605203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12605203 - 2⁵ = 12605171 is a prime.

It is a super-2 number, since 2×12605203² = 317782285342418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12605207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37125 + ... + 37462.

It is an arithmetic number, because the mean of its divisors is an integer number (2274934).

Almost surely, 2^12605203 is an apocalyptic number.

12605203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12605203 is a deficient number, since it is larger than the sum of its proper divisors (1044401).

12605203 is an equidigital number, since it uses as much as digits as its factorization.

12605203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74613 (or 74600 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12605203 is about 3550.3806838141. The cubic root of 12605203 is about 232.7287023884.

Adding to 12605203 its reverse (30250621), we get a palindrome (42855824).

The spelling of 12605203 in words is "twelve million, six hundred five thousand, two hundred three".