12372018 has 8 divisors (see below), whose sum is σ = 24744048. Its totient is φ = 4124004.

The previous prime is 12372013. The next prime is 12372043. The reversal of 12372018 is 81027321.

It is a sphenic number, since it is the product of 3 distinct primes.

12372018 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12372013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030996 + ... + 1031007.

It is an arithmetic number, because the mean of its divisors is an integer number (3093006).

Almost surely, 2^12372018 is an apocalyptic number.

12372018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12372018 is a wasteful number, since it uses less digits than its factorization.

12372018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062008.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12372018 is about 3517.3879513070. The cubic root of 12372018 is about 231.2846699419.

Adding to 12372018 its reverse (81027321), we get a palindrome (93399339).

The spelling of 12372018 in words is "twelve million, three hundred seventy-two thousand, eighteen".