12194895 has 16 divisors (see below), whose sum is σ = 19559520. Its totient is φ = 6488064.

The previous prime is 12194881. The next prime is 12194909. The reversal of 12194895 is 59849121.

12194895 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12194881) and next prime (12194909).

It is not a de Polignac number, because 12194895 - 2⁵ = 12194863 is a prime.

It is a super-2 number, since 2×12194895² = 297430928122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7951 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (1222470).

Almost surely, 2^12194895 is an apocalyptic number.

12194895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12194895 is a deficient number, since it is larger than the sum of its proper divisors (7364625).

12194895 is a wasteful number, since it uses less digits than its factorization.

12194895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its digits is 25920, while the sum is 39.

The square root of 12194895 is about 3492.1189842272. The cubic root of 12194895 is about 230.1756377381.

The spelling of 12194895 in words is "twelve million, one hundred ninety-four thousand, eight hundred ninety-five".