1324387 has 2 divisors, whose sum is σ = 1324388. Its totient is φ = 1324386.

The previous prime is 1324381. The next prime is 1324391. The reversal of 1324387 is 7834231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324387 is a prime.

1324387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1324381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662193 + 662194.

It is an arithmetic number, because the mean of its divisors is an integer number (662194).

2^1324387 is an apocalyptic number.

1324387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324387 is an equidigital number, since it uses as much as digits as its factorization.

1324387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 1324387 is about 1150.8201423333. The cubic root of 1324387 is about 109.8175211449.

It can be divided in two parts, 1324 and 387, that added together give a triangular number (1711 = T₅₈).

The spelling of 1324387 in words is "one million, three hundred twenty-four thousand, three hundred eighty-seven".