1355678 has 12 divisors (see below), whose sum is σ = 2077992. Its totient is φ = 663300.

The previous prime is 1355677. The next prime is 1355681. The reversal of 1355678 is 8765531.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355677) 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 5 ways as a sum of consecutive naturals, for example, 8903 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (173166).

2^1355678 is an apocalyptic number.

1355678 is a deficient number, since it is larger than the sum of its proper divisors (722314).

1355678 is an equidigital number, since it uses as much as digits as its factorization.

1355678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 220 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 1355678 is about 1164.3358621978. The cubic root of 1355678 is about 110.6756758685.

It can be divided in two parts, 1355 and 678, that multiplied together give a triangular number (918690 = T₁₃₅₅).

The spelling of 1355678 in words is "one million, three hundred fifty-five thousand, six hundred seventy-eight".