12586938 has 32 divisors (see below), whose sum is σ = 30984576. Its totient is φ = 3319488.

The previous prime is 12586913. The next prime is 12586963. The reversal of 12586938 is 83968521.

It is an interprime number because it is at equal distance from previous prime (12586913) and next prime (12586963).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 12586938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10981 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (968268).

Almost surely, 2^12586938 is an apocalyptic number.

12586938 is an abundant number, since it is smaller than the sum of its proper divisors (18397638).

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

12586938 is a wasteful number, since it uses less digits than its factorization.

12586938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23078.

The product of its digits is 103680, while the sum is 42.

The square root of 12586938 is about 3547.8074919589. The cubic root of 12586938 is about 232.6162397135.

The spelling of 12586938 in words is "twelve million, five hundred eighty-six thousand, nine hundred thirty-eight".