12195493 has 4 divisors (see below), whose sum is σ = 12588928. Its totient is φ = 11802060.

The previous prime is 12195487. The next prime is 12195499. The reversal of 12195493 is 39459121.

12195493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12195487) and next prime (12195499).

It is a cyclic number.

It is not a de Polignac number, because 12195493 - 2⁵ = 12195461 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 (12195499) 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, 196671 + ... + 196732.

It is an arithmetic number, because the mean of its divisors is an integer number (3147232).

Almost surely, 2^12195493 is an apocalyptic number.

It is an amenable number.

12195493 is a deficient number, since it is larger than the sum of its proper divisors (393435).

12195493 is an equidigital number, since it uses as much as digits as its factorization.

12195493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393434.

The product of its digits is 9720, while the sum is 34.

The square root of 12195493 is about 3492.2046045442. The cubic root of 12195493 is about 230.1794000442.

The spelling of 12195493 in words is "twelve million, one hundred ninety-five thousand, four hundred ninety-three".