1339065 has 64 divisors (see below), whose sum is σ = 2956800. Its totient is φ = 559872.

The previous prime is 1339061. The next prime is 1339069. The reversal of 1339065 is 5609331.

It is an interprime number because it is at equal distance from previous prime (1339061) and next prime (1339069).

It is not a de Polignac number, because 1339065 - 2² = 1339061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

1339065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1339061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12231 + ... + 12339.

It is an arithmetic number, because the mean of its divisors is an integer number (46200).

2^1339065 is an apocalyptic number.

1339065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1339065 is the 945-th pentagonal number.

It is an amenable number.

1339065 is an abundant number, since it is smaller than the sum of its proper divisors (1617735).

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

1339065 is a wasteful number, since it uses less digits than its factorization.

1339065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 137 counting only the distinct ones).

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

The square root of 1339065 is about 1157.1797613163. The cubic root of 1339065 is about 110.2217290648.

The spelling of 1339065 in words is "one million, three hundred thirty-nine thousand, sixty-five".