12601026 has 12 divisors (see below), whose sum is σ = 27302262. Its totient is φ = 4200336.

The previous prime is 12601013. The next prime is 12601027. The reversal of 12601026 is 62010621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12595401 + 5625 = 3549^2 + 75^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 700057 = 12601026 / (1 + 2 + 6 + 0 + 1 + 0 + 2 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12601027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350011 + ... + 350046.

Almost surely, 2^12601026 is an apocalyptic number.

12601026 is an abundant number, since it is smaller than the sum of its proper divisors (14701236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12601026 is a wasteful number, since it uses less digits than its factorization.

12601026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700065 (or 700062 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12601026 is about 3549.7923882954. The cubic root of 12601026 is about 232.7029930263.

Adding to 12601026 its reverse (62010621), we get a palindrome (74611647).

The spelling of 12601026 in words is "twelve million, six hundred one thousand, twenty-six".