12387623 has 2 divisors, whose sum is σ = 12387624. Its totient is φ = 12387622.

The previous prime is 12387619. The next prime is 12387629. The reversal of 12387623 is 32678321.

It is a happy number.

12387623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12387623 - 2² = 12387619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12387623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12387629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193811 + 6193812.

It is an arithmetic number, because the mean of its divisors is an integer number (6193812).

Almost surely, 2^12387623 is an apocalyptic number.

12387623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12387623 is an equidigital number, since it uses as much as digits as its factorization.

12387623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 12387623 is about 3519.6055176681. The cubic root of 12387623 is about 231.3818699539.

The spelling of 12387623 in words is "twelve million, three hundred eighty-seven thousand, six hundred twenty-three".