1365288 has 32 divisors (see below), whose sum is σ = 3444000. Its totient is φ = 451008.

The previous prime is 1365281. The next prime is 1365289. The reversal of 1365288 is 8825631.

It is a happy number.

It is a super-2 number, since 2×1365288² = 3728022645888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365281) 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, 3738 + ... + 4086.

It is an arithmetic number, because the mean of its divisors is an integer number (107625).

2^1365288 is an apocalyptic number.

It is an amenable number.

1365288 is an abundant number, since it is smaller than the sum of its proper divisors (2078712).

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

1365288 is a wasteful number, since it uses less digits than its factorization.

1365288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 517 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1365288 is about 1168.4553906761. The cubic root of 1365288 is about 110.9365760553.

It can be divided in two parts, 1365 and 288, that added together give a triangular number (1653 = T₅₇).

The spelling of 1365288 in words is "one million, three hundred sixty-five thousand, two hundred eighty-eight".