1333660 has 12 divisors (see below), whose sum is σ = 2800728. Its totient is φ = 533456.

The previous prime is 1333649. The next prime is 1333663. The reversal of 1333660 is 663331.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33322 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (233394).

2^1333660 is an apocalyptic number.

1333660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333660 is an abundant number, since it is smaller than the sum of its proper divisors (1467068).

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

1333660 is a wasteful number, since it uses less digits than its factorization.

1333660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66692 (or 66690 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1333660 is about 1154.8419805324. The cubic root of 1333660 is about 110.0732294756.

Adding to 1333660 its reverse (663331), we get a palindrome (1996991).

It can be divided in two parts, 13 and 33660, that multiplied together give a triangular number (437580 = T₉₃₅).

The spelling of 1333660 in words is "one million, three hundred thirty-three thousand, six hundred sixty".