12467789 has 2 divisors, whose sum is σ = 12467790. Its totient is φ = 12467788.

The previous prime is 12467759. The next prime is 12467801. The reversal of 12467789 is 98776421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 6889 = 3530^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 12467789 - 2¹⁶ = 12402253 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12467759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6233894 + 6233895.

It is an arithmetic number, because the mean of its divisors is an integer number (6233895).

Almost surely, 2^12467789 is an apocalyptic number.

It is an amenable number.

12467789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12467789 is an equidigital number, since it uses as much as digits as its factorization.

12467789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 12467789 is about 3530.9756442094. The cubic root of 12467789 is about 231.8799232468.

The spelling of 12467789 in words is "twelve million, four hundred sixty-seven thousand, seven hundred eighty-nine".