12165077 has 4 divisors (see below), whose sum is σ = 12175020. Its totient is φ = 12155136.

The previous prime is 12165059. The next prime is 12165103. The reversal of 12165077 is 77056121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6754801 + 5410276 = 2599^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 12165077 - 2⁸ = 12164821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12165017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 5685.

It is an arithmetic number, because the mean of its divisors is an integer number (3043755).

Almost surely, 2^12165077 is an apocalyptic number.

It is an amenable number.

12165077 is a deficient number, since it is larger than the sum of its proper divisors (9943).

12165077 is an equidigital number, since it uses as much as digits as its factorization.

12165077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942.

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

The square root of 12165077 is about 3487.8470436646. The cubic root of 12165077 is about 229.9878821593.

The spelling of 12165077 in words is "twelve million, one hundred sixty-five thousand, seventy-seven".