12620323 has 2 divisors, whose sum is σ = 12620324. Its totient is φ = 12620322.

The previous prime is 12620297. The next prime is 12620339. The reversal of 12620323 is 32302621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12620323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12620323.

It is not a weakly prime, because it can be changed into another prime (12620383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310161 + 6310162.

It is an arithmetic number, because the mean of its divisors is an integer number (6310162).

Almost surely, 2^12620323 is an apocalyptic number.

12620323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620323 is an equidigital number, since it uses as much as digits as its factorization.

12620323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12620323 is about 3552.5093947800. The cubic root of 12620323 is about 232.8217182633.

Adding to 12620323 its reverse (32302621), we get a palindrome (44922944).

It can be divided in two parts, 126 and 20323, that added together give a square (20449 = 143²).

The spelling of 12620323 in words is "twelve million, six hundred twenty thousand, three hundred twenty-three".