1345312 has 24 divisors (see below), whose sum is σ = 2805516. Its totient is φ = 632832.
The previous prime is 1345303. The next prime is 1345343. The reversal of 1345312 is 2135431.
It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 99856 = 1116^2 + 316^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1345312.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 693 + ... + 1780.
21345312 is an apocalyptic number.
It is an amenable number.
1345312 is an abundant number, since it is smaller than the sum of its proper divisors (1460204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345312 is a wasteful number, since it uses less digits than its factorization.
1345312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2500 (or 2492 counting only the distinct ones).
The product of its digits is 360, while the sum is 19.
The square root of 1345312 is about 1159.8758554259. The cubic root of 1345312 is about 110.3928651834.
The spelling of 1345312 in words is "one million, three hundred forty-five thousand, three hundred twelve".
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