12387622 has 16 divisors (see below), whose sum is σ = 20169072. Its totient is φ = 5672160.

The previous prime is 12387619. The next prime is 12387623. The reversal of 12387622 is 22678321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387623) 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 7 ways as a sum of consecutive naturals, for example, 1588 + ... + 5224.

It is an arithmetic number, because the mean of its divisors is an integer number (1260567).

Almost surely, 2^12387622 is an apocalyptic number.

12387622 is a deficient number, since it is larger than the sum of its proper divisors (7781450).

12387622 is a wasteful number, since it uses less digits than its factorization.

12387622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its digits is 8064, while the sum is 31.

The square root of 12387622 is about 3519.6053756068. The cubic root of 12387622 is about 231.3818637277.

It can be divided in two parts, 123876 and 22, that multiplied together give a palindrome (2725272).

The spelling of 12387622 in words is "twelve million, three hundred eighty-seven thousand, six hundred twenty-two".