12194953 has 4 divisors (see below), whose sum is σ = 12236868. Its totient is φ = 12153040.

The previous prime is 12194951. The next prime is 12194969. The reversal of 12194953 is 35949121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8838729 + 3356224 = 2973^2 + 1832^2 .

It is a cyclic number.

It is not a de Polignac number, because 12194953 - 2¹ = 12194951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12194951) 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, 20518 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (3059217).

Almost surely, 2^12194953 is an apocalyptic number.

It is an amenable number.

12194953 is a deficient number, since it is larger than the sum of its proper divisors (41915).

12194953 is an equidigital number, since it uses as much as digits as its factorization.

12194953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41914.

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

The square root of 12194953 is about 3492.1272886308. The cubic root of 12194953 is about 230.1760026494.

The spelling of 12194953 in words is "twelve million, one hundred ninety-four thousand, nine hundred fifty-three".