12555201 has 4 divisors (see below), whose sum is σ = 16740272. Its totient is φ = 8370132.

The previous prime is 12555199. The next prime is 12555241. The reversal of 12555201 is 10255521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12555201 - 2¹ = 12555199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12555241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092531 + ... + 2092536.

It is an arithmetic number, because the mean of its divisors is an integer number (4185068).

Almost surely, 2^12555201 is an apocalyptic number.

It is an amenable number.

12555201 is a deficient number, since it is larger than the sum of its proper divisors (4185071).

12555201 is an equidigital number, since it uses as much as digits as its factorization.

12555201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185070.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 12555201 is about 3543.3319065535. The cubic root of 12555201 is about 232.4205671535.

It can be divided in two parts, 1255520 and 1, that added together give a palindrome (1255521).

The spelling of 12555201 in words is "twelve million, five hundred fifty-five thousand, two hundred one".