1339020 has 72 divisors (see below), whose sum is σ = 4180176. Its totient is φ = 346752.

The previous prime is 1339003. The next prime is 1339027. The reversal of 1339020 is 209331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1338984 and 1339002.

It is not an unprimeable number, because it can be changed into a prime (1339027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7654 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (58058).

2^1339020 is an apocalyptic number.

1339020 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 1339020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090088).

1339020 is an abundant number, since it is smaller than the sum of its proper divisors (2841156).

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

1339020 is a wasteful number, since it uses less digits than its factorization.

1339020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1339020 is about 1157.1603173286. The cubic root of 1339020 is about 110.2204943641.

The spelling of 1339020 in words is "one million, three hundred thirty-nine thousand, twenty".