12372106 has 4 divisors (see below), whose sum is σ = 18558162. Its totient is φ = 6186052.

The previous prime is 12372077. The next prime is 12372121. The reversal of 12372106 is 60127321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60127321 = 31 ⋅1939591.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 4447881 = 2815^2 + 2109^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3093025 + ... + 3093028.

Almost surely, 2^12372106 is an apocalyptic number.

12372106 is a deficient number, since it is larger than the sum of its proper divisors (6186056).

12372106 is an equidigital number, since it uses as much as digits as its factorization.

12372106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186055.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12372106 is about 3517.4004605674. The cubic root of 12372106 is about 231.2852183031.

Adding to 12372106 its reverse (60127321), we get a palindrome (72499427).

The spelling of 12372106 in words is "twelve million, three hundred seventy-two thousand, one hundred six".