12239453 has 2 divisors, whose sum is σ = 12239454. Its totient is φ = 12239452.

The previous prime is 12239441. The next prime is 12239509. The reversal of 12239453 is 35493221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9078169 + 3161284 = 3013^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 12239453 - 2¹² = 12235357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12239153) 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, 6119726 + 6119727.

It is an arithmetic number, because the mean of its divisors is an integer number (6119727).

Almost surely, 2^12239453 is an apocalyptic number.

It is an amenable number.

12239453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12239453 is an equidigital number, since it uses as much as digits as its factorization.

12239453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 12239453 is about 3498.4929612620. The cubic root of 12239453 is about 230.4556374143.

The spelling of 12239453 in words is "twelve million, two hundred thirty-nine thousand, four hundred fifty-three".