12215036 has 6 divisors (see below), whose sum is σ = 21376320. Its totient is φ = 6107516.

The previous prime is 12215033. The next prime is 12215039. The reversal of 12215036 is 63051221.

It is an interprime number because it is at equal distance from previous prime (12215033) and next prime (12215039).

It is a junction number, because it is equal to n+sod(n) for n = 12214999 and 12215017.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 1526876 + ... + 1526883.

It is an arithmetic number, because the mean of its divisors is an integer number (3562720).

Almost surely, 2^12215036 is an apocalyptic number.

It is an amenable number.

12215036 is a deficient number, since it is larger than the sum of its proper divisors (9161284).

12215036 is a wasteful number, since it uses less digits than its factorization.

12215036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053763 (or 3053761 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12215036 is about 3495.0015736763. The cubic root of 12215036 is about 230.3022868432.

Adding to 12215036 its reverse (63051221), we get a palindrome (75266257).

The spelling of 12215036 in words is "twelve million, two hundred fifteen thousand, thirty-six".