1296764 has 24 divisors (see below), whose sum is σ = 2684640. Its totient is φ = 536256.

The previous prime is 1296749. The next prime is 1296781. The reversal of 1296764 is 4676921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (111860).

2^1296764 is an apocalyptic number.

1296764 is a gapful number since it is divisible by the number (14) 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 1296764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342320).

1296764 is an abundant number, since it is smaller than the sum of its proper divisors (1387876).

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

1296764 is a wasteful number, since it uses less digits than its factorization.

1296764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1635 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 1296764 is about 1138.7554610187. The cubic root of 1296764 is about 109.0486554376.

It can be divided in two parts, 12967 and 64, that added together give a palindrome (13031).

The spelling of 1296764 in words is "one million, two hundred ninety-six thousand, seven hundred sixty-four".