12015697 has 2 divisors, whose sum is σ = 12015698. Its totient is φ = 12015696.

The previous prime is 12015677. The next prime is 12015701. The reversal of 12015697 is 79651021.

12015697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 2430481 = 3096^2 + 1559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12015697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12015677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007848 + 6007849.

It is an arithmetic number, because the mean of its divisors is an integer number (6007849).

Almost surely, 2^12015697 is an apocalyptic number.

It is an amenable number.

12015697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12015697 is an equidigital number, since it uses as much as digits as its factorization.

12015697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 12015697 is about 3466.3665414956. The cubic root of 12015697 is about 229.0426304571.

The spelling of 12015697 in words is "twelve million, fifteen thousand, six hundred ninety-seven".