9212972 has 24 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 4377296.

The previous prime is 9212953. The next prime is 9212977. The reversal of 9212972 is 2792129.

It is a d-powerful number, because it can be written as 9² + 2 + 1 + 2³ + 9³ + 7⁷ + 2²³ .

It is not an unprimeable number, because it can be changed into a prime (9212977) 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, 21779 + ... + 22197.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^9212972 is an apocalyptic number.

9212972 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9212972 is a deficient number, since it is larger than the sum of its proper divisors (7721428).

9212972 is a wasteful number, since it uses less digits than its factorization.

9212972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 9212972 is about 3035.2877952511. The cubic root of 9212972 is about 209.6363472016.

The spelling of 9212972 in words is "nine million, two hundred twelve thousand, nine hundred seventy-two".