1339560 has 72 divisors (see below), whose sum is σ = 4426110. Its totient is φ = 351360.

The previous prime is 1339529. The next prime is 1339567. The reversal of 1339560 is 659331.

It can be written as a sum of positive squares in 3 ways, for example, as 311364 + 1028196 = 558^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (1339567) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21930 + ... + 21990.

2^1339560 is an apocalyptic number.

1339560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1339560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213055).

1339560 is an abundant number, since it is smaller than the sum of its proper divisors (3086550).

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

1339560 is a wasteful number, since it uses less digits than its factorization.

1339560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1339560 is about 1157.3936236216. The cubic root of 1339560 is about 110.2353089469.

The spelling of 1339560 in words is "one million, three hundred thirty-nine thousand, five hundred sixty".