13012203 has 4 divisors (see below), whose sum is σ = 17349608. Its totient is φ = 8674800.

The previous prime is 13012171. The next prime is 13012217. The reversal of 13012203 is 30221031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221031 = 3 ⋅10073677.

It is not a de Polignac number, because 13012203 - 2⁵ = 13012171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168698 + ... + 2168703.

It is an arithmetic number, because the mean of its divisors is an integer number (4337402).

Almost surely, 2^13012203 is an apocalyptic number.

13012203 is a deficient number, since it is larger than the sum of its proper divisors (4337405).

13012203 is an equidigital number, since it uses as much as digits as its factorization.

13012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337404.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13012203 is about 3607.2431301480. The cubic root of 13012203 is about 235.2070184228.

Adding to 13012203 its reverse (30221031), we get a palindrome (43233234).

The spelling of 13012203 in words is "thirteen million, twelve thousand, two hundred three".