12172801 has 8 divisors (see below), whose sum is σ = 12631808. Its totient is φ = 11718000.

The previous prime is 12172789. The next prime is 12172807. The reversal of 12172801 is 10827121.

12172801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12172801 - 2¹⁹ = 11648513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12172807) 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, 5611 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (1578976).

Almost surely, 2^12172801 is an apocalyptic number.

It is an amenable number.

12172801 is a deficient number, since it is larger than the sum of its proper divisors (459007).

12172801 is a wasteful number, since it uses less digits than its factorization.

12172801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 12172801 is about 3488.9541412865. The cubic root of 12172801 is about 230.0365474374.

Adding to 12172801 its reverse (10827121), we get a palindrome (22999922).

The spelling of 12172801 in words is "twelve million, one hundred seventy-two thousand, eight hundred one".