12501670 has 16 divisors (see below), whose sum is σ = 22630608. Its totient is φ = 4972320.

The previous prime is 12501659. The next prime is 12501683. The reversal of 12501670 is 7610521.

It is an alternating number because its digits alternate between odd and even.

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, 1644 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (1414413).

Almost surely, 2^12501670 is an apocalyptic number.

12501670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12501670 is a deficient number, since it is larger than the sum of its proper divisors (10128938).

12501670 is a wasteful number, since it uses less digits than its factorization.

12501670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 12501670 is about 3535.7700717100. The cubic root of 12501670 is about 232.0897764915.

The spelling of 12501670 in words is "twelve million, five hundred one thousand, six hundred seventy".