1318456 has 16 divisors (see below), whose sum is σ = 2557800. Its totient is φ = 636384.

The previous prime is 1318451. The next prime is 1318459. The reversal of 1318456 is 6548131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318451) 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, 2610 + ... + 3073.

2^1318456 is an apocalyptic number.

It is an amenable number.

1318456 is a deficient number, since it is larger than the sum of its proper divisors (1239344).

1318456 is a wasteful number, since it uses less digits than its factorization.

1318456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718 (or 5714 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1318456 is about 1148.2403929491. The cubic root of 1318456 is about 109.6533439510.

The spelling of 1318456 in words is "one million, three hundred eighteen thousand, four hundred fifty-six".