1296736 has 36 divisors (see below), whose sum is σ = 2973348. Its totient is φ = 555072.

The previous prime is 1296727. The next prime is 1296749. The reversal of 1296736 is 6376921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1155 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (82593).

2^1296736 is an apocalyptic number.

1296736 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 1296736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486674).

1296736 is an abundant number, since it is smaller than the sum of its proper divisors (1676612).

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

1296736 is an equidigital number, since it uses as much as digits as its factorization.

1296736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 836 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 1296736 is about 1138.7431668291. The cubic root of 1296736 is about 109.0478705648.

The spelling of 1296736 in words is "one million, two hundred ninety-six thousand, seven hundred thirty-six".