12173416 has 8 divisors (see below), whose sum is σ = 22825170. Its totient is φ = 6086704.

The previous prime is 12173387. The next prime is 12173419. The reversal of 12173416 is 61437121.

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 5044516 = 2670^2 + 2246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12173419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760831 + ... + 760846.

Almost surely, 2^12173416 is an apocalyptic number.

It is an amenable number.

12173416 is a deficient number, since it is larger than the sum of its proper divisors (10651754).

12173416 is a wasteful number, since it uses less digits than its factorization.

12173416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521683 (or 1521679 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 12173416 is about 3489.0422754676. The cubic root of 12173416 is about 230.0404213771.

It can be divided in two parts, 121 and 73416, that added together give a palindrome (73537).

The spelling of 12173416 in words is "twelve million, one hundred seventy-three thousand, four hundred sixteen".