12726025 has 12 divisors (see below), whose sum is σ = 16994572. Its totient is φ = 9397440.

The previous prime is 12726023. The next prime is 12726037. The reversal of 12726025 is 52062721.

It can be written as a sum of positive squares in 6 ways, for example, as 258064 + 12467961 = 508^2 + 3531^2 .

It is not a de Polignac number, because 12726025 - 2¹ = 12726023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12726023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19254 + ... + 19903.

Almost surely, 2^12726025 is an apocalyptic number.

It is an amenable number.

12726025 is a deficient number, since it is larger than the sum of its proper divisors (4268547).

12726025 is a wasteful number, since it uses less digits than its factorization.

12726025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39180 (or 39175 counting only the distinct ones).

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

The square root of 12726025 is about 3567.3554630847. The cubic root of 12726025 is about 233.4699143681.

Adding to 12726025 its reverse (52062721), we get a palindrome (64788746).

The spelling of 12726025 in words is "twelve million, seven hundred twenty-six thousand, twenty-five".