1316736 has 80 divisors (see below), whose sum is σ = 3949440. Its totient is φ = 435456.

The previous prime is 1316729. The next prime is 1316741. The reversal of 1316736 is 6376131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 10305 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (49368).

2^1316736 is an apocalyptic number.

1316736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974720).

1316736 is an abundant number, since it is smaller than the sum of its proper divisors (2632704).

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

1316736 is an equidigital number, since it uses as much as digits as its factorization.

1316736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 132 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1316736 is about 1147.4911764367. The cubic root of 1316736 is about 109.6056402162.

It can be divided in two parts, 13167 and 36, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 1316736 in words is "one million, three hundred sixteen thousand, seven hundred thirty-six".