1306726 has 4 divisors (see below), whose sum is σ = 1960092. Its totient is φ = 653362.

The previous prime is 1306717. The next prime is 1306733. The reversal of 1306726 is 6276031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6276031 = 641 ⋅9791.

It is a self number, because there is not a number n which added to its sum of digits gives 1306726.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 326680 + ... + 326683.

It is an arithmetic number, because the mean of its divisors is an integer number (490023).

2^1306726 is an apocalyptic number.

1306726 is a deficient number, since it is larger than the sum of its proper divisors (653366).

1306726 is an equidigital number, since it uses as much as digits as its factorization.

1306726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653365.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1306726 is about 1143.1211659312. The cubic root of 1306726 is about 109.3271879188.

The spelling of 1306726 in words is "one million, three hundred six thousand, seven hundred twenty-six".