12508151 has 2 divisors, whose sum is σ = 12508152. Its totient is φ = 12508150.

The previous prime is 12508147. The next prime is 12508169. The reversal of 12508151 is 15180521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12508151 - 2² = 12508147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12508351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254075 + 6254076.

It is an arithmetic number, because the mean of its divisors is an integer number (6254076).

Almost surely, 2^12508151 is an apocalyptic number.

12508151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508151 is an equidigital number, since it uses as much as digits as its factorization.

12508151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 12508151 is about 3536.6864435514. The cubic root of 12508151 is about 232.1298755074.

Adding to 12508151 its reverse (15180521), we get a palindrome (27688672).

The spelling of 12508151 in words is "twelve million, five hundred eight thousand, one hundred fifty-one".