12437651 has 2 divisors, whose sum is σ = 12437652. Its totient is φ = 12437650.

The previous prime is 12437639. The next prime is 12437653. The reversal of 12437651 is 15673421.

It is a strong prime.

It is an emirp because it is prime and its reverse (15673421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12437651 - 2¹⁴ = 12421267 is a prime.

It is a super-3 number, since 3×12437651³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 12437653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12437653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218825 + 6218826.

It is an arithmetic number, because the mean of its divisors is an integer number (6218826).

Almost surely, 2^12437651 is an apocalyptic number.

12437651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12437651 is an equidigital number, since it uses as much as digits as its factorization.

12437651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 12437651 is about 3526.7054030639. The cubic root of 12437651 is about 231.6929337801.

The spelling of 12437651 in words is "twelve million, four hundred thirty-seven thousand, six hundred fifty-one".