1316478 has 16 divisors (see below), whose sum is σ = 2645136. Its totient is φ = 436800.

The previous prime is 1316437. The next prime is 1316479. The reversal of 1316478 is 8746131.

It is a happy number.

It is a super-2 number, since 2×1316478² = 3466228648968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (165321).

2^1316478 is an apocalyptic number.

1316478 is an abundant number, since it is smaller than the sum of its proper divisors (1328658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316478 is a wasteful number, since it uses less digits than its factorization.

1316478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 4032, while the sum is 30.

The square root of 1316478 is about 1147.3787517642. The cubic root of 1316478 is about 109.5984810737.

The spelling of 1316478 in words is "one million, three hundred sixteen thousand, four hundred seventy-eight".