1322345 has 16 divisors (see below), whose sum is σ = 1721088. Its totient is φ = 971520.

The previous prime is 1322341. The next prime is 1322357. The reversal of 1322345 is 5432231.

It is a happy number.

It is not a de Polignac number, because 1322345 - 2² = 1322341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3830 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (107568).

2^1322345 is an apocalyptic number.

It is an amenable number.

1322345 is a deficient number, since it is larger than the sum of its proper divisors (398743).

1322345 is a wasteful number, since it uses less digits than its factorization.

1322345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its digits is 720, while the sum is 20.

The square root of 1322345 is about 1149.9326067209. The cubic root of 1322345 is about 109.7610515660.

Adding to 1322345 its reverse (5432231), we get a palindrome (6754576).

The spelling of 1322345 in words is "one million, three hundred twenty-two thousand, three hundred forty-five".