1356722 has 8 divisors (see below), whose sum is σ = 2041200. Its totient is φ = 676324.

The previous prime is 1356721. The next prime is 1356727. The reversal of 1356722 is 2276531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1356691 and 1356700.

It is not an unprimeable number, because it can be changed into a prime (1356721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

2^1356722 is an apocalyptic number.

1356722 is a deficient number, since it is larger than the sum of its proper divisors (684478).

1356722 is a wasteful number, since it uses less digits than its factorization.

1356722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its digits is 2520, while the sum is 26.

The square root of 1356722 is about 1164.7841001662. The cubic root of 1356722 is about 110.7040788172.

The spelling of 1356722 in words is "one million, three hundred fifty-six thousand, seven hundred twenty-two".