12551351 has 2 divisors, whose sum is σ = 12551352. Its totient is φ = 12551350.

The previous prime is 12551339. The next prime is 12551377. The reversal of 12551351 is 15315521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12551351 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12521351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275675 + 6275676.

It is an arithmetic number, because the mean of its divisors is an integer number (6275676).

Almost surely, 2^12551351 is an apocalyptic number.

12551351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12551351 is an equidigital number, since it uses as much as digits as its factorization.

12551351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 750, while the sum is 23.

The square root of 12551351 is about 3542.7885909266. The cubic root of 12551351 is about 232.3968077924.

Adding to 12551351 its reverse (15315521), we get a palindrome (27866872).

The spelling of 12551351 in words is "twelve million, five hundred fifty-one thousand, three hundred fifty-one".