12015701 has 2 divisors, whose sum is σ = 12015702. Its totient is φ = 12015700.

The previous prime is 12015697. The next prime is 12015709. The reversal of 12015701 is 10751021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11566801 + 448900 = 3401^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 12015701 - 2² = 12015697 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12015701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12015709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007850 + 6007851.

It is an arithmetic number, because the mean of its divisors is an integer number (6007851).

Almost surely, 2^12015701 is an apocalyptic number.

It is an amenable number.

12015701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12015701 is an equidigital number, since it uses as much as digits as its factorization.

12015701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 12015701 is about 3466.3671184686. The cubic root of 12015701 is about 229.0426558730.

Adding to 12015701 its reverse (10751021), we get a palindrome (22766722).

The spelling of 12015701 in words is "twelve million, fifteen thousand, seven hundred one".