12201563 has 16 divisors (see below), whose sum is σ = 14307840. Its totient is φ = 10281600.

The previous prime is 12201557. The next prime is 12201583. The reversal of 12201563 is 36510221.

It is not a de Polignac number, because 12201563 - 2⁶ = 12201499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12818 + ... + 13736.

It is an arithmetic number, because the mean of its divisors is an integer number (894240).

Almost surely, 2^12201563 is an apocalyptic number.

12201563 is a deficient number, since it is larger than the sum of its proper divisors (2106277).

12201563 is a wasteful number, since it uses less digits than its factorization.

12201563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018.

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

The square root of 12201563 is about 3493.0735749480. The cubic root of 12201563 is about 230.2175823797.

Adding to 12201563 its reverse (36510221), we get a palindrome (48711784).

The spelling of 12201563 in words is "twelve million, two hundred one thousand, five hundred sixty-three".