1345812 has 24 divisors (see below), whose sum is σ = 3382176. Its totient is φ = 414048.

The previous prime is 1345811. The next prime is 1345859. The reversal of 1345812 is 2185431.

It is a super-2 number, since 2×1345812² = 3622419878688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4158 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (140924).

2^1345812 is an apocalyptic number.

1345812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345812 is an abundant number, since it is smaller than the sum of its proper divisors (2036364).

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

1345812 is a wasteful number, since it uses less digits than its factorization.

1345812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647 (or 8645 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1345812 is about 1160.0913757114. The cubic root of 1345812 is about 110.4065397302.

The spelling of 1345812 in words is "one million, three hundred forty-five thousand, eight hundred twelve".