12388606 has 4 divisors (see below), whose sum is σ = 18582912. Its totient is φ = 6194302.

The previous prime is 12388603. The next prime is 12388609. The reversal of 12388606 is 60688321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60688321 = 103 ⋅589207.

It is an interprime number because it is at equal distance from previous prime (12388603) and next prime (12388609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12388603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097150 + ... + 3097153.

It is an arithmetic number, because the mean of its divisors is an integer number (4645728).

Almost surely, 2^12388606 is an apocalyptic number.

12388606 is a deficient number, since it is larger than the sum of its proper divisors (6194306).

12388606 is an equidigital number, since it uses as much as digits as its factorization.

12388606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194305.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 12388606 is about 3519.7451612297. The cubic root of 12388606 is about 231.3879901047.

The spelling of 12388606 in words is "twelve million, three hundred eighty-eight thousand, six hundred six".