12172314 has 32 divisors (see below), whose sum is σ = 30352896. Its totient is φ = 3161520.

The previous prime is 12172309. The next prime is 12172327. The reversal of 12172314 is 41327121.

It is a super-2 number, since 2×12172314² = 296330456229192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12712 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (948528).

Almost surely, 2^12172314 is an apocalyptic number.

12172314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12172314 is an abundant number, since it is smaller than the sum of its proper divisors (18180582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12172314 is a wasteful number, since it uses less digits than its factorization.

12172314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370.

The product of its digits is 336, while the sum is 21.

The square root of 12172314 is about 3488.8843489001. The cubic root of 12172314 is about 230.0334796884.

Adding to 12172314 its reverse (41327121), we get a palindrome (53499435).

The spelling of 12172314 in words is "twelve million, one hundred seventy-two thousand, three hundred fourteen".