12662065 has 16 divisors (see below), whose sum is σ = 16567488. Its totient is φ = 9233856.

The previous prime is 12662063. The next prime is 12662087. The reversal of 12662065 is 56026621.

It is a cyclic number.

It is not a de Polignac number, because 12662065 - 2¹ = 12662063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4222 + ... + 6568.

It is an arithmetic number, because the mean of its divisors is an integer number (1035468).

Almost surely, 2^12662065 is an apocalyptic number.

It is an amenable number.

12662065 is a deficient number, since it is larger than the sum of its proper divisors (3905423).

12662065 is a wasteful number, since it uses less digits than its factorization.

12662065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12662065 is about 3558.3795469286. The cubic root of 12662065 is about 233.0781234586.

Adding to 12662065 its reverse (56026621), we get a palindrome (68688686).

The spelling of 12662065 in words is "twelve million, six hundred sixty-two thousand, sixty-five".