12494161 has 4 divisors (see below), whose sum is σ = 12524400. Its totient is φ = 12463924.

The previous prime is 12494149. The next prime is 12494171. The reversal of 12494161 is 16149421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16149421 = 59 ⋅273719.

It is a cyclic number.

It is not a de Polignac number, because 12494161 - 2⁷ = 12494033 is a prime.

It is a super-2 number, since 2×12494161² = 312208118187842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12494171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14491 + ... + 15328.

It is an arithmetic number, because the mean of its divisors is an integer number (3131100).

Almost surely, 2^12494161 is an apocalyptic number.

It is an amenable number.

12494161 is a deficient number, since it is larger than the sum of its proper divisors (30239).

12494161 is an equidigital number, since it uses as much as digits as its factorization.

12494161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30238.

The product of its digits is 1728, while the sum is 28.

The square root of 12494161 is about 3534.7080501790. The cubic root of 12494161 is about 232.0432997362.

The spelling of 12494161 in words is "twelve million, four hundred ninety-four thousand, one hundred sixty-one".