13212363 has 4 divisors (see below), whose sum is σ = 17616488. Its totient is φ = 8808240.

The previous prime is 13212347. The next prime is 13212377. The reversal of 13212363 is 36321231.

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

It is not a de Polignac number, because 13212363 - 2⁴ = 13212347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212263) 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, 2202058 + ... + 2202063.

It is an arithmetic number, because the mean of its divisors is an integer number (4404122).

Almost surely, 2^13212363 is an apocalyptic number.

13212363 is a deficient number, since it is larger than the sum of its proper divisors (4404125).

13212363 is an equidigital number, since it uses as much as digits as its factorization.

13212363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404124.

The product of its digits is 648, while the sum is 21.

The square root of 13212363 is about 3634.8814286026. The cubic root of 13212363 is about 236.4069095641.

Adding to 13212363 its reverse (36321231), we get a palindrome (49533594).

The spelling of 13212363 in words is "thirteen million, two hundred twelve thousand, three hundred sixty-three".