12201267 has 16 divisors (see below), whose sum is σ = 17621408. Its totient is φ = 7464960.

The previous prime is 12201263. The next prime is 12201269. The reversal of 12201267 is 76210221.

It is not a de Polignac number, because 12201267 - 2² = 12201263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201263) 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 15 ways as a sum of consecutive naturals, for example, 6717 + ... + 8337.

It is an arithmetic number, because the mean of its divisors is an integer number (1101338).

Almost surely, 2^12201267 is an apocalyptic number.

12201267 is a deficient number, since it is larger than the sum of its proper divisors (5420141).

12201267 is a wasteful number, since it uses less digits than its factorization.

12201267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12201267 is about 3493.0312051283. The cubic root of 12201267 is about 230.2157207342.

Adding to 12201267 its reverse (76210221), we get a palindrome (88411488).

The spelling of 12201267 in words is "twelve million, two hundred one thousand, two hundred sixty-seven".