1296001 has 6 divisors (see below), whose sum is σ = 1507650. Its totient is φ = 1110816.

The previous prime is 1295993. The next prime is 1296007. The reversal of 1296001 is 1006921.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 442225 = 924^2 + 665^2 .

It is not a de Polignac number, because 1296001 - 2³ = 1295993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296001.

It is not an unprimeable number, because it can be changed into a prime (1296007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13176 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (251275).

2^1296001 is an apocalyptic number.

It is an amenable number.

1296001 is a deficient number, since it is larger than the sum of its proper divisors (211649).

1296001 is an equidigital number, since it uses as much as digits as its factorization.

1296001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26463 (or 26456 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1296001 is about 1138.4203968658. The cubic root of 1296001 is about 109.0272636119.

The spelling of 1296001 in words is "one million, two hundred ninety-six thousand, one".