12164494 has 4 divisors (see below), whose sum is σ = 18246744. Its totient is φ = 6082246.

The previous prime is 12164491. The next prime is 12164497. The reversal of 12164494 is 49446121.

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 (12164491) and next prime (12164497).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12164491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3041122 + ... + 3041125.

It is an arithmetic number, because the mean of its divisors is an integer number (4561686).

Almost surely, 2^12164494 is an apocalyptic number.

12164494 is a deficient number, since it is larger than the sum of its proper divisors (6082250).

12164494 is an equidigital number, since it uses as much as digits as its factorization.

12164494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082249.

The product of its digits is 6912, while the sum is 31.

The square root of 12164494 is about 3487.7634667506. The cubic root of 12164494 is about 229.9842081155.

The spelling of 12164494 in words is "twelve million, one hundred sixty-four thousand, four hundred ninety-four".