1306542 has 16 divisors (see below), whose sum is σ = 2650752. Its totient is φ = 429240.

The previous prime is 1306541. The next prime is 1306589. The reversal of 1306542 is 2456031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 1959.

It is an arithmetic number, because the mean of its divisors is an integer number (165672).

2^1306542 is an apocalyptic number.

1306542 is an abundant number, since it is smaller than the sum of its proper divisors (1344210).

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

1306542 is a wasteful number, since it uses less digits than its factorization.

1306542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1306542 is about 1143.0406816907. The cubic root of 1306542 is about 109.3220562267.

The spelling of 1306542 in words is "one million, three hundred six thousand, five hundred forty-two".