12545203 has 8 divisors (see below), whose sum is σ = 13879296. Its totient is φ = 11243400.

The previous prime is 12545179. The next prime is 12545209. The reversal of 12545203 is 30254521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12545203 - 2⁵ = 12545171 is a prime.

It is a super-2 number, since 2×12545203² = 314764236622418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12545209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7251 + ... + 8812.

It is an arithmetic number, because the mean of its divisors is an integer number (1734912).

Almost surely, 2^12545203 is an apocalyptic number.

12545203 is a deficient number, since it is larger than the sum of its proper divisors (1334093).

12545203 is a wasteful number, since it uses less digits than its factorization.

12545203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16145.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12545203 is about 3541.9208065681. The cubic root of 12545203 is about 232.3588567935.

Adding to 12545203 its reverse (30254521), we get a palindrome (42799724).

The spelling of 12545203 in words is "twelve million, five hundred forty-five thousand, two hundred three".