1095813 has 12 divisors (see below), whose sum is σ = 1591980. Its totient is φ = 726336.

The previous prime is 1095811. The next prime is 1095821. The reversal of 1095813 is 3185901.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 1004004 = 303^2 + 1002^2 .

It is not a de Polignac number, because 1095813 - 2¹ = 1095811 is a prime.

It is a super-2 number, since 2×1095813² = 2401612261938, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095811) 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, 2623 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (132665).

2^1095813 is an apocalyptic number.

It is an amenable number.

1095813 is a deficient number, since it is larger than the sum of its proper divisors (496167).

1095813 is a wasteful number, since it uses less digits than its factorization.

1095813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1095813 is about 1046.8108711701. The cubic root of 1095813 is about 103.0968705647.

The spelling of 1095813 in words is "one million, ninety-five thousand, eight hundred thirteen".