12425731 has 2 divisors, whose sum is σ = 12425732. Its totient is φ = 12425730.

The previous prime is 12425729. The next prime is 12425741. The reversal of 12425731 is 13752421.

It is a happy number.

12425731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12425731 - 2¹ = 12425729 is a prime.

It is a super-2 number, since 2×12425731² = 308797581768722, which contains 22 as substring.

Together with 12425729, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12425696 and 12425705.

It is not a weakly prime, because it can be changed into another prime (12425701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212865 + 6212866.

It is an arithmetic number, because the mean of its divisors is an integer number (6212866).

Almost surely, 2^12425731 is an apocalyptic number.

12425731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425731 is an equidigital number, since it uses as much as digits as its factorization.

12425731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 12425731 is about 3525.0150354289. The cubic root of 12425731 is about 231.6188934725.

The spelling of 12425731 in words is "twelve million, four hundred twenty-five thousand, seven hundred thirty-one".