12254789 has 2 divisors, whose sum is σ = 12254790. Its totient is φ = 12254788.

The previous prime is 12254783. The next prime is 12254797. The reversal of 12254789 is 98745221.

12254789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 297025 = 3458^2 + 545^2 .

It is an emirp because it is prime and its reverse (98745221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12254789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12254783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127394 + 6127395.

It is an arithmetic number, because the mean of its divisors is an integer number (6127395).

Almost surely, 2^12254789 is an apocalyptic number.

It is an amenable number.

12254789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254789 is an equidigital number, since it uses as much as digits as its factorization.

12254789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 12254789 is about 3500.6840760057. The cubic root of 12254789 is about 230.5518506612.

The spelling of 12254789 in words is "twelve million, two hundred fifty-four thousand, seven hundred eighty-nine".