1306969 has 4 divisors (see below), whose sum is σ = 1326544. Its totient is φ = 1287396.

The previous prime is 1306961. The next prime is 1306973. The reversal of 1306969 is 9696031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1306969 - 2³ = 1306961 is a prime.

It is a super-2 number, since 2×1306969² = 3416335933922, which contains 22 as substring.

It is a Duffinian number.

1306969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1306961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9687 + ... + 9820.

It is an arithmetic number, because the mean of its divisors is an integer number (331636).

2^1306969 is an apocalyptic number.

It is an amenable number.

1306969 is a deficient number, since it is larger than the sum of its proper divisors (19575).

1306969 is an equidigital number, since it uses as much as digits as its factorization.

1306969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19574.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1306969 is about 1143.2274489357. The cubic root of 1306969 is about 109.3339643612. Note that the first 3 decimals are identical.

The spelling of 1306969 in words is "one million, three hundred six thousand, nine hundred sixty-nine".