12172098 has 16 divisors (see below), whose sum is σ = 24687936. Its totient is φ = 4000080.

The previous prime is 12172087. The next prime is 12172117. The reversal of 12172098 is 89027121.

It is an unprimeable number.

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, 13861 + ... + 14712.

It is an arithmetic number, because the mean of its divisors is an integer number (1542996).

Almost surely, 2^12172098 is an apocalyptic number.

12172098 is an abundant number, since it is smaller than the sum of its proper divisors (12515838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12172098 is a wasteful number, since it uses less digits than its factorization.

12172098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28649.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12172098 is about 3488.8533933085. The cubic root of 12172098 is about 230.0321190179.

The spelling of 12172098 in words is "twelve million, one hundred seventy-two thousand, ninety-eight".