12615001 has 12 divisors (see below), whose sum is σ = 14825700. Its totient is φ = 10701600.

The previous prime is 12614999. The next prime is 12615073. The reversal of 12615001 is 10051621.

It is a happy number.

12615001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11909401 + 705600 = 3451^2 + 840^2 .

It is not a de Polignac number, because 12615001 - 2¹ = 12614999 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 3675 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (1235475).

Almost surely, 2^12615001 is an apocalyptic number.

It is an amenable number.

12615001 is a deficient number, since it is larger than the sum of its proper divisors (2210699).

12615001 is a wasteful number, since it uses less digits than its factorization.

12615001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 12615001 is about 3551.7602678109. The cubic root of 12615001 is about 232.7889866288.

Adding to 12615001 its reverse (10051621), we get a palindrome (22666622).

The spelling of 12615001 in words is "twelve million, six hundred fifteen thousand, one".