12452389 has 2 divisors, whose sum is σ = 12452390. Its totient is φ = 12452388.

The previous prime is 12452383. The next prime is 12452393. The reversal of 12452389 is 98325421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7656289 + 4796100 = 2767^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452389 - 2⁹ = 12451877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12452383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226194 + 6226195.

It is an arithmetic number, because the mean of its divisors is an integer number (6226195).

Almost surely, 2^12452389 is an apocalyptic number.

It is an amenable number.

12452389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452389 is an equidigital number, since it uses as much as digits as its factorization.

12452389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 12452389 is about 3528.7942700021. The cubic root of 12452389 is about 231.7844125382.

It can be divided in two parts, 12452 and 389, that multiplied together give a triangular number (4843828 = T₃₁₁₂).

The spelling of 12452389 in words is "twelve million, four hundred fifty-two thousand, three hundred eighty-nine".