1369256 has 32 divisors (see below), whose sum is σ = 3000000. Its totient is φ = 585648.
The previous prime is 1369243. The next prime is 1369297. The reversal of 1369256 is 6529631.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495 + ... + 2993.
It is an arithmetic number, because the mean of its divisors is an integer number (93750).
21369256 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1369256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500000).
1369256 is an abundant number, since it is smaller than the sum of its proper divisors (1630744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369256 is an equidigital number, since it uses as much as digits as its factorization.
1369256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526 (or 508 counting only the distinct ones).
The product of its digits is 9720, while the sum is 32.
The square root of 1369256 is about 1170.1521268621. The cubic root of 1369256 is about 111.0439454813.
It can be divided in two parts, 1369 and 256, that multiplied together give a square (350464 = 5922).
The spelling of 1369256 in words is "one million, three hundred sixty-nine thousand, two hundred fifty-six".
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