1356670 has 16 divisors (see below), whose sum is σ = 2791008. Its totient is φ = 465120.

The previous prime is 1356659. The next prime is 1356671. The reversal of 1356670 is 766531.

1356670 is nontrivially palindromic in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9621 + ... + 9760.

It is an arithmetic number, because the mean of its divisors is an integer number (174438).

2^1356670 is an apocalyptic number.

1356670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356670 is an abundant number, since it is smaller than the sum of its proper divisors (1434338).

1356670 is a wasteful number, since it uses less digits than its factorization.

1356670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19395.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1356670 is about 1164.7617782190. The cubic root of 1356670 is about 110.7026644558.

The spelling of 1356670 in words is "one million, three hundred fifty-six thousand, six hundred seventy".