12601145 has 8 divisors (see below), whose sum is σ = 15490440. Its totient is φ = 9834880.

The previous prime is 12601139. The next prime is 12601153. The reversal of 12601145 is 54110621.

It can be written as a sum of positive squares in 4 ways, for example, as 952576 + 11648569 = 976^2 + 3413^2 .

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

It is not a de Polignac number, because 12601145 - 2⁶ = 12601081 is a prime.

It is a super-2 number, since 2×12601145² = 317577710622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30530 + ... + 30939.

It is an arithmetic number, because the mean of its divisors is an integer number (1936305).

Almost surely, 2^12601145 is an apocalyptic number.

It is an amenable number.

12601145 is a deficient number, since it is larger than the sum of its proper divisors (2889295).

12601145 is an equidigital number, since it uses as much as digits as its factorization.

12601145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61515.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12601145 is about 3549.8091497995. The cubic root of 12601145 is about 232.7037255478.

Adding to 12601145 its reverse (54110621), we get a palindrome (66711766).

The spelling of 12601145 in words is "twelve million, six hundred one thousand, one hundred forty-five".