12016577 has 2 divisors, whose sum is σ = 12016578. Its totient is φ = 12016576.

The previous prime is 12016559. The next prime is 12016597. The reversal of 12016577 is 77561021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9247681 + 2768896 = 3041^2 + 1664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12016577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12016507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008288 + 6008289.

It is an arithmetic number, because the mean of its divisors is an integer number (6008289).

Almost surely, 2^12016577 is an apocalyptic number.

It is an amenable number.

12016577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12016577 is an equidigital number, since it uses as much as digits as its factorization.

12016577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 12016577 is about 3466.4934732378. The cubic root of 12016577 is about 229.0482218263.

Adding to 12016577 its reverse (77561021), we get a palindrome (89577598).

The spelling of 12016577 in words is "twelve million, sixteen thousand, five hundred seventy-seven".