12425613 has 4 divisors (see below), whose sum is σ = 16567488. Its totient is φ = 8283740.

The previous prime is 12425597. The next prime is 12425629. The reversal of 12425613 is 31652421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31652421 = 3 ⋅10550807.

It is an interprime number because it is at equal distance from previous prime (12425597) and next prime (12425629).

It is a cyclic number.

It is not a de Polignac number, because 12425613 - 2⁴ = 12425597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070933 + ... + 2070938.

It is an arithmetic number, because the mean of its divisors is an integer number (4141872).

Almost surely, 2^12425613 is an apocalyptic number.

It is an amenable number.

12425613 is a deficient number, since it is larger than the sum of its proper divisors (4141875).

12425613 is an equidigital number, since it uses as much as digits as its factorization.

12425613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141874.

The product of its digits is 1440, while the sum is 24.

The square root of 12425613 is about 3524.9982978719. The cubic root of 12425613 is about 231.6181602865.

The spelling of 12425613 in words is "twelve million, four hundred twenty-five thousand, six hundred thirteen".