13125213 has 8 divisors (see below), whose sum is σ = 19444800. Its totient is φ = 8750124.

The previous prime is 13125209. The next prime is 13125223. The reversal of 13125213 is 31252131.

It is not a de Polignac number, because 13125213 - 2² = 13125209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243033 + ... + 243086.

It is an arithmetic number, because the mean of its divisors is an integer number (2430600).

Almost surely, 2^13125213 is an apocalyptic number.

It is an amenable number.

13125213 is a deficient number, since it is larger than the sum of its proper divisors (6319587).

13125213 is an equidigital number, since it uses as much as digits as its factorization.

13125213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486128 (or 486122 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 13125213 is about 3622.8735832209. The cubic root of 13125213 is about 235.8859750328.

Adding to 13125213 its reverse (31252131), we get a palindrome (44377344).

The spelling of 13125213 in words is "thirteen million, one hundred twenty-five thousand, two hundred thirteen".