12172114 has 4 divisors (see below), whose sum is σ = 18258174. Its totient is φ = 6086056.

The previous prime is 12172087. The next prime is 12172117. The reversal of 12172114 is 41127121.

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

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 3674889 = 2915^2 + 1917^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12172091 and 12172100.

It is not an unprimeable number, because it can be changed into a prime (12172117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3043027 + ... + 3043030.

Almost surely, 2^12172114 is an apocalyptic number.

12172114 is a deficient number, since it is larger than the sum of its proper divisors (6086060).

12172114 is an equidigital number, since it uses as much as digits as its factorization.

12172114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086059.

The product of its digits is 112, while the sum is 19.

The square root of 12172114 is about 3488.8556863247. The cubic root of 12172114 is about 230.0322198089.

Adding to 12172114 its reverse (41127121), we get a palindrome (53299235).

The spelling of 12172114 in words is "twelve million, one hundred seventy-two thousand, one hundred fourteen".