12201315 has 32 divisors (see below), whose sum is σ = 23086080. Its totient is φ = 5384064.

The previous prime is 12201311. The next prime is 12201323. The reversal of 12201315 is 51310221.

It is not a de Polignac number, because 12201315 - 2² = 12201311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 12201294 and 12201303.

It is not an unprimeable number, because it can be changed into a prime (12201311) 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 31 ways as a sum of consecutive naturals, for example, 1042 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (721440).

Almost surely, 2^12201315 is an apocalyptic number.

12201315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12201315 is a deficient number, since it is larger than the sum of its proper divisors (10884765).

12201315 is a wasteful number, since it uses less digits than its factorization.

12201315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051.

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

The square root of 12201315 is about 3493.0380759448. The cubic root of 12201315 is about 230.2160226247.

Adding to 12201315 its reverse (51310221), we get a palindrome (63511536).

The spelling of 12201315 in words is "twelve million, two hundred one thousand, three hundred fifteen".