1356814 has 4 divisors (see below), whose sum is σ = 2035224. Its totient is φ = 678406.

The previous prime is 1356811. The next prime is 1356829. The reversal of 1356814 is 4186531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339202 + ... + 339205.

It is an arithmetic number, because the mean of its divisors is an integer number (508806).

2^1356814 is an apocalyptic number.

1356814 is a deficient number, since it is larger than the sum of its proper divisors (678410).

1356814 is an equidigital number, since it uses as much as digits as its factorization.

1356814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678409.

The product of its digits is 2880, while the sum is 28.

The square root of 1356814 is about 1164.8235917941. The cubic root of 1356814 is about 110.7065810604.

The spelling of 1356814 in words is "one million, three hundred fifty-six thousand, eight hundred fourteen".