1316455 has 16 divisors (see below), whose sum is σ = 1869120. Its totient is φ = 870912.

The previous prime is 1316437. The next prime is 1316479. The reversal of 1316455 is 5546131.

It is not a de Polignac number, because 1316455 - 2⁹ = 1315943 is a prime.

1316455 is a lucky number.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (116820).

2^1316455 is an apocalyptic number.

1316455 is a deficient number, since it is larger than the sum of its proper divisors (552665).

1316455 is a wasteful number, since it uses less digits than its factorization.

1316455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its digits is 1800, while the sum is 25.

The square root of 1316455 is about 1147.3687288749. The cubic root of 1316455 is about 109.5978428101.

It can be divided in two parts, 1316 and 455, that added together give a palindrome (1771).

The spelling of 1316455 in words is "one million, three hundred sixteen thousand, four hundred fifty-five".