1418447 has 2 divisors, whose sum is σ = 1418448. Its totient is φ = 1418446.

The previous prime is 1418423. The next prime is 1418449. The reversal of 1418447 is 7448141.

It is a strong prime.

It is an emirp because it is prime and its reverse (7448141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1418447 - 2¹⁸ = 1156303 is a prime.

Together with 1418449, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1418449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709223 + 709224.

It is an arithmetic number, because the mean of its divisors is an integer number (709224).

2^1418447 is an apocalyptic number.

1418447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418447 is an equidigital number, since it uses as much as digits as its factorization.

1418447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 29.

The square root of 1418447 is about 1190.9857261949. The cubic root of 1418447 is about 112.3580959790.

The spelling of 1418447 in words is "one million, four hundred eighteen thousand, four hundred forty-seven".