1306988 has 12 divisors (see below), whose sum is σ = 2349312. Its totient is φ = 635760.

The previous prime is 1306979. The next prime is 1306997. The reversal of 1306988 is 8896031.

It is an interprime number because it is at equal distance from previous prime (1306979) and next prime (1306997).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (195776).

2^1306988 is an apocalyptic number.

It is an amenable number.

1306988 is a deficient number, since it is larger than the sum of its proper divisors (1042324).

1306988 is a wasteful number, since it uses less digits than its factorization.

1306988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872 (or 8870 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1306988 is about 1143.2357587130. The cubic root of 1306988 is about 109.3344941710.

The spelling of 1306988 in words is "one million, three hundred six thousand, nine hundred eighty-eight".