12615041 has 4 divisors (see below), whose sum is σ = 12628692. Its totient is φ = 12601392.

The previous prime is 12614999. The next prime is 12615073. The reversal of 12615041 is 14051621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4326400 + 8288641 = 2080^2 + 2879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12615041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12615091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (3157173).

Almost surely, 2^12615041 is an apocalyptic number.

It is an amenable number.

12615041 is a deficient number, since it is larger than the sum of its proper divisors (13651).

12615041 is an equidigital number, since it uses as much as digits as its factorization.

12615041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650.

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

The square root of 12615041 is about 3551.7658988171. The cubic root of 12615041 is about 232.7892326732.

Adding to 12615041 its reverse (14051621), we get a palindrome (26666662).

The spelling of 12615041 in words is "twelve million, six hundred fifteen thousand, forty-one".