12198502 has 8 divisors (see below), whose sum is σ = 18928800. Its totient is φ = 5888904.

The previous prime is 12198499. The next prime is 12198509. The reversal of 12198502 is 20589121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105102 + ... + 105217.

It is an arithmetic number, because the mean of its divisors is an integer number (2366100).

Almost surely, 2^12198502 is an apocalyptic number.

12198502 is a deficient number, since it is larger than the sum of its proper divisors (6730298).

12198502 is a wasteful number, since it uses less digits than its factorization.

12198502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210350.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12198502 is about 3492.6353946554. The cubic root of 12198502 is about 230.1983292464.

The spelling of 12198502 in words is "twelve million, one hundred ninety-eight thousand, five hundred two".