8172412 has 12 divisors (see below), whose sum is σ = 14688520. Its totient is φ = 3975696.

The previous prime is 8172391. The next prime is 8172419. The reversal of 8172412 is 2142718.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8172419) 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, 27462 + ... + 27757.

Almost surely, 2^8172412 is an apocalyptic number.

It is an amenable number.

8172412 is a deficient number, since it is larger than the sum of its proper divisors (6516108).

8172412 is a wasteful number, since it uses less digits than its factorization.

8172412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55260 (or 55258 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 8172412 is about 2858.7430804464. The cubic root of 8172412 is about 201.4265670062.

The spelling of 8172412 in words is "eight million, one hundred seventy-two thousand, four hundred twelve".