1306704 has 40 divisors (see below), whose sum is σ = 3858880. Its totient is φ = 373248.

The previous prime is 1306693. The next prime is 1306717. The reversal of 1306704 is 4076031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 1609 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (96472).

2^1306704 is an apocalyptic number.

1306704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1306704 is an abundant number, since it is smaller than the sum of its proper divisors (2552176).

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

1306704 is a wasteful number, since it uses less digits than its factorization.

1306704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1306704 is about 1143.1115431138. Note that the first 3 decimals coincide. The cubic root of 1306704 is about 109.3265743723.

The spelling of 1306704 in words is "one million, three hundred six thousand, seven hundred four".