12215013 has 8 divisors (see below), whose sum is σ = 16439328. Its totient is φ = 8067024.

The previous prime is 12214999. The next prime is 12215033. The reversal of 12215013 is 31051221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12215013 - 2⁴ = 12214997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12214983 and 12215001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215033) 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 7 ways as a sum of consecutive naturals, for example, 18706 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (2054916).

Almost surely, 2^12215013 is an apocalyptic number.

It is an amenable number.

12215013 is a deficient number, since it is larger than the sum of its proper divisors (4224315).

12215013 is a wasteful number, since it uses less digits than its factorization.

12215013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38163.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12215013 is about 3494.9982832614. The cubic root of 12215013 is about 230.3021422958.

Adding to 12215013 its reverse (31051221), we get a palindrome (43266234).

The spelling of 12215013 in words is "twelve million, two hundred fifteen thousand, thirteen".