12601251 has 24 divisors (see below), whose sum is σ = 20333040. Its totient is φ = 7752672.

The previous prime is 12601249. The next prime is 12601261. The reversal of 12601251 is 15210621.

12601251 is a `hidden beast` number, since 12 + 601 + 2 + 51 = 666.

It is not a de Polignac number, because 12601251 - 2¹ = 12601249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12601231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (847210).

Almost surely, 2^12601251 is an apocalyptic number.

12601251 is a deficient number, since it is larger than the sum of its proper divisors (7731789).

12601251 is an equidigital number, since it uses as much as digits as its factorization.

12601251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 12601251 is about 3549.8240801482. The cubic root of 12601251 is about 232.7043780421.

Adding to 12601251 its reverse (15210621), we get a palindrome (27811872).

The spelling of 12601251 in words is "twelve million, six hundred one thousand, two hundred fifty-one".