12288457 has 2 divisors, whose sum is σ = 12288458. Its totient is φ = 12288456.

The previous prime is 12288443. The next prime is 12288473. The reversal of 12288457 is 75488221.

12288457 is digitally balanced in base 2 and base 3, because in such bases 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., 9634816 + 2653641 = 3104^2 + 1629^2 .

It is a cyclic number.

It is not a de Polignac number, because 12288457 - 2¹¹ = 12286409 is a prime.

It is not a weakly prime, because it can be changed into another prime (12288427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6144228 + 6144229.

It is an arithmetic number, because the mean of its divisors is an integer number (6144229).

Almost surely, 2^12288457 is an apocalyptic number.

It is an amenable number.

12288457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12288457 is an equidigital number, since it uses as much as digits as its factorization.

12288457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 37.

The square root of 12288457 is about 3505.4895521168. The cubic root of 12288457 is about 230.7627919258.

The spelling of 12288457 in words is "twelve million, two hundred eighty-eight thousand, four hundred fifty-seven".