12315202 has 8 divisors (see below), whose sum is σ = 18489996. Its totient is φ = 6151872.

The previous prime is 12315187. The next prime is 12315209. The reversal of 12315202 is 20251321.

It can be written as a sum of positive squares in 2 ways, for example, as 11840481 + 474721 = 3441^2 + 689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12315209) 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, 718 + ... + 5014.

Almost surely, 2^12315202 is an apocalyptic number.

12315202 is a deficient number, since it is larger than the sum of its proper divisors (6174794).

12315202 is a wasteful number, since it uses less digits than its factorization.

12315202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12315202 is about 3509.3022098417. The cubic root of 12315202 is about 230.9300838488.

Adding to 12315202 its reverse (20251321), we get a palindrome (32566523).

The spelling of 12315202 in words is "twelve million, three hundred fifteen thousand, two hundred two".