12201247 has 8 divisors (see below), whose sum is σ = 13003776. Its totient is φ = 11421432.

The previous prime is 12201229. The next prime is 12201251. The reversal of 12201247 is 74210221.

It is a happy number.

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

It is not a de Polignac number, because 12201247 - 2¹¹ = 12199199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (1625472).

Almost surely, 2^12201247 is an apocalyptic number.

12201247 is a deficient number, since it is larger than the sum of its proper divisors (802529).

12201247 is a wasteful number, since it uses less digits than its factorization.

12201247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12201247 is about 3493.0283422841. The cubic root of 12201247 is about 230.2155949462.

Adding to 12201247 its reverse (74210221), we get a palindrome (86411468).

The spelling of 12201247 in words is "twelve million, two hundred one thousand, two hundred forty-seven".