12198767 has 4 divisors (see below), whose sum is σ = 13941456. Its totient is φ = 10456080.

The previous prime is 12198761. The next prime is 12198773. The reversal of 12198767 is 76789121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12198761) and next prime (12198773).

It is a cyclic number.

It is not a de Polignac number, because 12198767 - 2⁴ = 12198751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871334 + ... + 871347.

It is an arithmetic number, because the mean of its divisors is an integer number (3485364).

Almost surely, 2^12198767 is an apocalyptic number.

12198767 is a deficient number, since it is larger than the sum of its proper divisors (1742689).

12198767 is an equidigital number, since it uses as much as digits as its factorization.

12198767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742688.

The product of its digits is 42336, while the sum is 41.

The square root of 12198767 is about 3492.6733314182. The cubic root of 12198767 is about 230.1999961755.

The spelling of 12198767 in words is "twelve million, one hundred ninety-eight thousand, seven hundred sixty-seven".