1069812 has 18 divisors (see below), whose sum is σ = 2704338. Its totient is φ = 356592.

The previous prime is 1069811. The next prime is 1069819. The reversal of 1069812 is 2189601.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 41616 = 1014^2 + 204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1069812² = 2288995430688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14823 + ... + 14894.

It is an arithmetic number, because the mean of its divisors is an integer number (150241).

2^1069812 is an apocalyptic number.

1069812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1069812 is an abundant number, since it is smaller than the sum of its proper divisors (1634526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069812 is a wasteful number, since it uses less digits than its factorization.

1069812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29727 (or 29722 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1069812 is about 1034.3171660569. The cubic root of 1069812 is about 102.2749215421.

It can be divided in two parts, 1069 and 812, that added together give a palindrome (1881).

The spelling of 1069812 in words is "one million, sixty-nine thousand, eight hundred twelve".