12508351 has 2 divisors, whose sum is σ = 12508352. Its totient is φ = 12508350.

The previous prime is 12508339. The next prime is 12508361. The reversal of 12508351 is 15380521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12508351 - 2⁹ = 12507839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12508361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254175 + 6254176.

It is an arithmetic number, because the mean of its divisors is an integer number (6254176).

Almost surely, 2^12508351 is an apocalyptic number.

12508351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508351 is an equidigital number, since it uses as much as digits as its factorization.

12508351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 12508351 is about 3536.7147184923. The cubic root of 12508351 is about 232.1311127200.

Adding to 12508351 its reverse (15380521), we get a palindrome (27888872).

The spelling of 12508351 in words is "twelve million, five hundred eight thousand, three hundred fifty-one".