12951425 has 6 divisors (see below), whose sum is σ = 16059798. Its totient is φ = 10361120.

The previous prime is 12951383. The next prime is 12951431. The reversal of 12951425 is 52415921.

12951425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2660161 + 10291264 = 1631^2 + 3208^2 .

It is not a de Polignac number, because 12951425 - 2¹² = 12947329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259004 + ... + 259053.

It is an arithmetic number, because the mean of its divisors is an integer number (2676633).

Almost surely, 2^12951425 is an apocalyptic number.

It is an amenable number.

12951425 is a deficient number, since it is larger than the sum of its proper divisors (3108373).

12951425 is an equidigital number, since it uses as much as digits as its factorization.

12951425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518067 (or 518062 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 12951425 is about 3598.8088307105. The cubic root of 12951425 is about 234.8402415000.

The spelling of 12951425 in words is "twelve million, nine hundred fifty-one thousand, four hundred twenty-five".