12098972 has 24 divisors (see below), whose sum is σ = 22399440. Its totient is φ = 5702400.

The previous prime is 12098971. The next prime is 12098981. The reversal of 12098972 is 27989021.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29972 + ... + 30372.

It is an arithmetic number, because the mean of its divisors is an integer number (933310).

Almost surely, 2^12098972 is an apocalyptic number.

It is an amenable number.

12098972 is a deficient number, since it is larger than the sum of its proper divisors (10300468).

12098972 is a wasteful number, since it uses less digits than its factorization.

12098972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12098972 is about 3478.3576584359. The cubic root of 12098972 is about 229.5705407618.

The spelling of 12098972 in words is "twelve million, ninety-eight thousand, nine hundred seventy-two".