12665701 has 8 divisors (see below), whose sum is σ = 13353984. Its totient is φ = 11994960.

The previous prime is 12665689. The next prime is 12665713. The reversal of 12665701 is 10756621.

It is an interprime number because it is at equal distance from previous prime (12665689) and next prime (12665713).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12665701 - 2⁵ = 12665669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12665701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12665771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (1669248).

Almost surely, 2^12665701 is an apocalyptic number.

It is an amenable number.

12665701 is a deficient number, since it is larger than the sum of its proper divisors (688283).

12665701 is an equidigital number, since it uses as much as digits as its factorization.

12665701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12665701 is about 3558.8904169699. The cubic root of 12665701 is about 233.1004313247.

It can be divided in two parts, 12665 and 701, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12665701 in words is "twelve million, six hundred sixty-five thousand, seven hundred one".