12725389 has 2 divisors, whose sum is σ = 12725390. Its totient is φ = 12725388.

The previous prime is 12725381. The next prime is 12725413. The reversal of 12725389 is 98352721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8555625 + 4169764 = 2925^2 + 2042^2 .

It is a cyclic number.

It is not a de Polignac number, because 12725389 - 2³ = 12725381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12725381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362694 + 6362695.

It is an arithmetic number, because the mean of its divisors is an integer number (6362695).

Almost surely, 2^12725389 is an apocalyptic number.

It is an amenable number.

12725389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12725389 is an equidigital number, since it uses as much as digits as its factorization.

12725389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 12725389 is about 3567.2663203075. The cubic root of 12725389 is about 233.4660249803.

The spelling of 12725389 in words is "twelve million, seven hundred twenty-five thousand, three hundred eighty-nine".