12198693 has 16 divisors (see below), whose sum is σ = 17579520. Its totient is φ = 7479744.

The previous prime is 12198691. The next prime is 12198751. The reversal of 12198693 is 39689121.

It is not a de Polignac number, because 12198693 - 2¹ = 12198691 is a prime.

It is a super-2 number, since 2×12198693² = 297616221816498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198691) 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 15 ways as a sum of consecutive naturals, for example, 18355 + ... + 19007.

It is an arithmetic number, because the mean of its divisors is an integer number (1098720).

Almost surely, 2^12198693 is an apocalyptic number.

12198693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12198693 is a deficient number, since it is larger than the sum of its proper divisors (5380827).

12198693 is a wasteful number, since it uses less digits than its factorization.

12198693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148.

The product of its digits is 23328, while the sum is 39.

The square root of 12198693 is about 3492.6627377976. The cubic root of 12198693 is about 230.1995306959.

The spelling of 12198693 in words is "twelve million, one hundred ninety-eight thousand, six hundred ninety-three".