1316420 has 24 divisors (see below), whose sum is σ = 3159744. Its totient is φ = 451296.

The previous prime is 1316417. The next prime is 1316431. The reversal of 1316420 is 246131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4562 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (131656).

2^1316420 is an apocalyptic number.

1316420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316420 is an abundant number, since it is smaller than the sum of its proper divisors (1843324).

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

1316420 is a wasteful number, since it uses less digits than its factorization.

1316420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9419 (or 9417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1316420 is about 1147.3534764840. The cubic root of 1316420 is about 109.5968715252.

The spelling of 1316420 in words is "one million, three hundred sixteen thousand, four hundred twenty".