1322387 has 8 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1194760.

The previous prime is 1322369. The next prime is 1322389. The reversal of 1322387 is 7832231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322387 - 2⁶ = 1322323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322389) 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, 2378 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^1322387 is an apocalyptic number.

1322387 is a deficient number, since it is larger than the sum of its proper divisors (129133).

1322387 is a wasteful number, since it uses less digits than its factorization.

1322387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its digits is 2016, while the sum is 26.

The square root of 1322387 is about 1149.9508685157. The cubic root of 1322387 is about 109.7622136216.

The spelling of 1322387 in words is "one million, three hundred twenty-two thousand, three hundred eighty-seven".