1305734 has 8 divisors (see below), whose sum is σ = 1969968. Its totient is φ = 649080.

The previous prime is 1305713. The next prime is 1305739. The reversal of 1305734 is 4375031.

It is a happy number.

1305734 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (246246).

2^1305734 is an apocalyptic number.

1305734 is a deficient number, since it is larger than the sum of its proper divisors (664234).

1305734 is a wasteful number, since it uses less digits than its factorization.

1305734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1305734 is about 1142.6871837909. The cubic root of 1305734 is about 109.2995156994.

The spelling of 1305734 in words is "one million, three hundred five thousand, seven hundred thirty-four".