12701251 has 2 divisors, whose sum is σ = 12701252. Its totient is φ = 12701250.

The previous prime is 12701209. The next prime is 12701263. The reversal of 12701251 is 15210721.

It is a strong prime.

It is an emirp because it is prime and its reverse (15210721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12701251 - 2⁹ = 12700739 is a prime.

It is a super-2 number, since 2×12701251² = 322643553930002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12701951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350625 + 6350626.

It is an arithmetic number, because the mean of its divisors is an integer number (6350626).

Almost surely, 2^12701251 is an apocalyptic number.

12701251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12701251 is an equidigital number, since it uses as much as digits as its factorization.

12701251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12701251 is about 3563.8814514515. The cubic root of 12701251 is about 233.3183158135.

Adding to 12701251 its reverse (15210721), we get a palindrome (27911972).

The spelling of 12701251 in words is "twelve million, seven hundred one thousand, two hundred fifty-one".