1355655 has 16 divisors (see below), whose sum is σ = 2479104. Its totient is φ = 619680.

The previous prime is 1355647. The next prime is 1355657. The reversal of 1355655 is 5565531.

It is not a de Polignac number, because 1355655 - 2³ = 1355647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6351 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (154944).

2^1355655 is an apocalyptic number.

1355655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355655 is a deficient number, since it is larger than the sum of its proper divisors (1123449).

1355655 is a wasteful number, since it uses less digits than its factorization.

1355655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926.

The product of its digits is 11250, while the sum is 30.

The square root of 1355655 is about 1164.3259852808. The cubic root of 1355655 is about 110.6750499689.

The spelling of 1355655 in words is "one million, three hundred fifty-five thousand, six hundred fifty-five".