13212202 has 4 divisors (see below), whose sum is σ = 19818306. Its totient is φ = 6606100.

The previous prime is 13212181. The next prime is 13212229. The reversal of 13212202 is 20221231.

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

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 1929321 = 3359^2 + 1389^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3303049 + ... + 3303052.

Almost surely, 2^13212202 is an apocalyptic number.

13212202 is a deficient number, since it is larger than the sum of its proper divisors (6606104).

13212202 is an equidigital number, since it uses as much as digits as its factorization.

13212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606103.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13212202 is about 3634.8592820080. The cubic root of 13212202 is about 236.4059493103.

Adding to 13212202 its reverse (20221231), we get a palindrome (33433433).

The spelling of 13212202 in words is "thirteen million, two hundred twelve thousand, two hundred two".