12376665 has 48 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 5654880.

The previous prime is 12376603. The next prime is 12376667. The reversal of 12376665 is 56667321.

12376665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12376665 - 2¹⁰ = 12375641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12376667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5680 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^12376665 is an apocalyptic number.

12376665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12376665 is an abundant number, since it is smaller than the sum of its proper divisors (13232295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12376665 is a wasteful number, since it uses less digits than its factorization.

12376665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1886 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 12376665 is about 3518.0484647031. The cubic root of 12376665 is about 231.3136235943.

It can be divided in two parts, 12376 and 665, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12376665 in words is "twelve million, three hundred seventy-six thousand, six hundred sixty-five".