1306986 has 16 divisors (see below), whose sum is σ = 2657568. Its totient is φ = 428400.

The previous prime is 1306979. The next prime is 1306997. The reversal of 1306986 is 6896031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (166098).

2^1306986 is an apocalyptic number.

1306986 is an abundant number, since it is smaller than the sum of its proper divisors (1350582).

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

1306986 is a wasteful number, since it uses less digits than its factorization.

1306986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1306986 is about 1143.2348840024. The cubic root of 1306986 is about 109.3344384018.

The spelling of 1306986 in words is "one million, three hundred six thousand, nine hundred eighty-six".