12215363 has 4 divisors (see below), whose sum is σ = 12244008. Its totient is φ = 12186720.

The previous prime is 12215341. The next prime is 12215381. The reversal of 12215363 is 36351221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36351221 = 563 ⋅64567.

It is a cyclic number.

It is not a de Polignac number, because 12215363 - 2¹⁰ = 12214339 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12215393) 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 3 ways as a sum of consecutive naturals, for example, 13673 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (3061002).

Almost surely, 2^12215363 is an apocalyptic number.

12215363 is a deficient number, since it is larger than the sum of its proper divisors (28645).

12215363 is an equidigital number, since it uses as much as digits as its factorization.

12215363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28644.

The product of its digits is 1080, while the sum is 23.

The square root of 12215363 is about 3495.0483544581. The cubic root of 12215363 is about 230.3043419108.

Adding to 12215363 its reverse (36351221), we get a palindrome (48566584).

The spelling of 12215363 in words is "twelve million, two hundred fifteen thousand, three hundred sixty-three".