12723201 has 6 divisors (see below), whose sum is σ = 18377970. Its totient is φ = 8482128.

The previous prime is 12723169. The next prime is 12723203. The reversal of 12723201 is 10232721.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 2322576 = 3225^2 + 1524^2 .

It is not a de Polignac number, because 12723201 - 2⁵ = 12723169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12723203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706836 + ... + 706853.

It is an arithmetic number, because the mean of its divisors is an integer number (3062995).

Almost surely, 2^12723201 is an apocalyptic number.

It is an amenable number.

12723201 is a deficient number, since it is larger than the sum of its proper divisors (5654769).

12723201 is a wasteful number, since it uses less digits than its factorization.

12723201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413695 (or 1413692 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12723201 is about 3566.9596297127. The cubic root of 12723201 is about 233.4526435179.

Adding to 12723201 its reverse (10232721), we get a palindrome (22955922).

The spelling of 12723201 in words is "twelve million, seven hundred twenty-three thousand, two hundred one".