12545426 has 8 divisors (see below), whose sum is σ = 19277244. Its totient is φ = 6119680.

The previous prime is 12545417. The next prime is 12545447. The reversal of 12545426 is 62454521.

It can be written as a sum of positive squares in 2 ways, for example, as 10725625 + 1819801 = 3275^2 + 1349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76415 + ... + 76578.

Almost surely, 2^12545426 is an apocalyptic number.

12545426 is a deficient number, since it is larger than the sum of its proper divisors (6731818).

12545426 is a wasteful number, since it uses less digits than its factorization.

12545426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153036.

The product of its digits is 9600, while the sum is 29.

The square root of 12545426 is about 3541.9522865222. The cubic root of 12545426 is about 232.3602335672.

Adding to 12545426 its reverse (62454521), we get a palindrome (74999947).

The spelling of 12545426 in words is "twelve million, five hundred forty-five thousand, four hundred twenty-six".