1330745 has 16 divisors (see below), whose sum is σ = 1753920. Its totient is φ = 963264.

The previous prime is 1330733. The next prime is 1330751. The reversal of 1330745 is 5470331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1330745 - 2¹⁰ = 1329721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3662 + ... + 4008.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

2^1330745 is an apocalyptic number.

It is an amenable number.

1330745 is a deficient number, since it is larger than the sum of its proper divisors (423175).

1330745 is a wasteful number, since it uses less digits than its factorization.

1330745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1330745 is about 1153.5792127115. The cubic root of 1330745 is about 109.9929747579.

The spelling of 1330745 in words is "one million, three hundred thirty thousand, seven hundred forty-five".