1306606532 has 96 divisors (see below), whose sum is σ = 2950649856. Its totient is φ = 491500800.

The previous prime is 1306606531. The next prime is 1306606537. The reversal of 1306606532 is 2356066031.

It is not an unprimeable number, because it can be changed into a prime (1306606531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1350713 + ... + 1351679.

It is an arithmetic number, because the mean of its divisors is an integer number (30735936).

Almost surely, 2^1306606532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306606532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475324928).

1306606532 is an abundant number, since it is smaller than the sum of its proper divisors (1644043324).

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

1306606532 is a wasteful number, since it uses less digits than its factorization.

1306606532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 1306606532 is about 36147.0127673090. The cubic root of 1306606532 is about 1093.2385605520.

The spelling of 1306606532 in words is "one billion, three hundred six million, six hundred six thousand, five hundred thirty-two".