7172012 has 12 divisors (see below), whose sum is σ = 12818400. Its totient is φ = 3509616.

The previous prime is 7172003. The next prime is 7172029. The reversal of 7172012 is 2102717.

It is a super-2 number, since 2×7172012² = 102875512256288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18887 + ... + 19262.

It is an arithmetic number, because the mean of its divisors is an integer number (1068200).

Almost surely, 2^7172012 is an apocalyptic number.

It is an amenable number.

7172012 is a deficient number, since it is larger than the sum of its proper divisors (5646388).

7172012 is a wasteful number, since it uses less digits than its factorization.

7172012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38200 (or 38198 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 7172012 is about 2678.0612390310. The cubic root of 7172012 is about 192.8473472326.

Adding to 7172012 its reverse (2102717), we get a palindrome (9274729).

The spelling of 7172012 in words is "seven million, one hundred seventy-two thousand, twelve".