2132686 has 4 divisors (see below), whose sum is σ = 3199032. Its totient is φ = 1066342.

The previous prime is 2132659. The next prime is 2132699. The reversal of 2132686 is 6862312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533170 + ... + 533173.

It is an arithmetic number, because the mean of its divisors is an integer number (799758).

2^2132686 is an apocalyptic number.

2132686 is a deficient number, since it is larger than the sum of its proper divisors (1066346).

2132686 is a wasteful number, since it uses less digits than its factorization.

2132686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066345.

The product of its digits is 3456, while the sum is 28.

The square root of 2132686 is about 1460.3718704494. The cubic root of 2132686 is about 128.7188959331.

Adding to 2132686 its reverse (6862312), we get a palindrome (8994998).

It can be divided in two parts, 21326 and 86, that added together give a palindrome (21412).

The spelling of 2132686 in words is "two million, one hundred thirty-two thousand, six hundred eighty-six".