12802172 has 6 divisors (see below), whose sum is σ = 22403808. Its totient is φ = 6401084.

The previous prime is 12802171. The next prime is 12802177. The reversal of 12802172 is 27120821.

12802172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12802171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600268 + ... + 1600275.

It is an arithmetic number, because the mean of its divisors is an integer number (3733968).

Almost surely, 2^12802172 is an apocalyptic number.

It is an amenable number.

12802172 is a deficient number, since it is larger than the sum of its proper divisors (9601636).

12802172 is a wasteful number, since it uses less digits than its factorization.

12802172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200547 (or 3200545 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12802172 is about 3578.0122973517. The cubic root of 12802172 is about 233.9346494890.

Adding to 12802172 its reverse (27120821), we get a palindrome (39922993).

The spelling of 12802172 in words is "twelve million, eight hundred two thousand, one hundred seventy-two".