12670685 has 8 divisors (see below), whose sum is σ = 15302616. Its totient is φ = 10071360.

The previous prime is 12670673. The next prime is 12670699. The reversal of 12670685 is 58607621.

It can be written as a sum of positive squares in 4 ways, for example, as 357604 + 12313081 = 598^2 + 3509^2 .

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

It is not a de Polignac number, because 12670685 - 2⁶ = 12670621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7286 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (1912827).

Almost surely, 2^12670685 is an apocalyptic number.

It is an amenable number.

12670685 is a deficient number, since it is larger than the sum of its proper divisors (2631931).

12670685 is a wasteful number, since it uses less digits than its factorization.

12670685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16303.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 12670685 is about 3559.5905663433. The cubic root of 12670685 is about 233.1310026079.

It can be divided in two parts, 126 and 70685, that multiplied together give a triangular number (8906310 = T₄₂₂₀).

The spelling of 12670685 in words is "twelve million, six hundred seventy thousand, six hundred eighty-five".