1323407 has 4 divisors (see below), whose sum is σ = 1393080. Its totient is φ = 1253736.

The previous prime is 1323389. The next prime is 1323409. The reversal of 1323407 is 7043231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323407 - 2²⁰ = 274831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323409) 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, 34808 + ... + 34845.

It is an arithmetic number, because the mean of its divisors is an integer number (348270).

2^1323407 is an apocalyptic number.

1323407 is a deficient number, since it is larger than the sum of its proper divisors (69673).

1323407 is an equidigital number, since it uses as much as digits as its factorization.

1323407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69672.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1323407 is about 1150.3942802361. The cubic root of 1323407 is about 109.7904274211.

Adding to 1323407 its reverse (7043231), we get a palindrome (8366638).

The spelling of 1323407 in words is "one million, three hundred twenty-three thousand, four hundred seven".