1355013 has 12 divisors (see below), whose sum is σ = 2135328. Its totient is φ = 821160.

The previous prime is 1354987. The next prime is 1355021. The reversal of 1355013 is 3105531.

Added to its reverse (3105531) it gives a square (4460544 = 2112²).

It is a happy number.

It is not a de Polignac number, because 1355013 - 2⁵ = 1354981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6745 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (177944).

2^1355013 is an apocalyptic number.

It is an amenable number.

1355013 is a deficient number, since it is larger than the sum of its proper divisors (780315).

1355013 is a wasteful number, since it uses less digits than its factorization.

1355013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704 (or 13701 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1355013 is about 1164.0502566470. The cubic root of 1355013 is about 110.6575763489.

Adding to 1355013 its reverse (3105531), we get a square (4460544 = 2112²).

The spelling of 1355013 in words is "one million, three hundred fifty-five thousand, thirteen".