1314721 has 4 divisors (see below), whose sum is σ = 1350292. Its totient is φ = 1279152.

The previous prime is 1314701. The next prime is 1314767. The reversal of 1314721 is 1274131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 583696 + 731025 = 764^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314721 - 2¹¹ = 1312673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17730 + ... + 17803.

It is an arithmetic number, because the mean of its divisors is an integer number (337573).

2^1314721 is an apocalyptic number.

It is an amenable number.

1314721 is a deficient number, since it is larger than the sum of its proper divisors (35571).

1314721 is an equidigital number, since it uses as much as digits as its factorization.

1314721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35570.

The product of its digits is 168, while the sum is 19.

The square root of 1314721 is about 1146.6128378838. The cubic root of 1314721 is about 109.5497018659.

Adding to 1314721 its reverse (1274131), we get a palindrome (2588852).

The spelling of 1314721 in words is "one million, three hundred fourteen thousand, seven hundred twenty-one".