1013211 has 12 divisors (see below), whose sum is σ = 1479088. Its totient is φ = 668304.
The previous prime is 1013203. The next prime is 1013227. The reversal of 1013211 is 1123101.
It is not a de Polignac number, because 1013211 - 23 = 1013203 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
1013211 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 1013193 and 1013202.
It is not an unprimeable number, because it can be changed into a prime (1013291) 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, 381 + ... + 1473.
21013211 is an apocalyptic number.
1013211 is a deficient number, since it is larger than the sum of its proper divisors (465877).
1013211 is a wasteful number, since it uses less digits than its factorization.
1013211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202 (or 1199 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 1013211 is about 1006.5838266136. The cubic root of 1013211 is about 100.4384415474.
Adding to 1013211 its reverse (1123101), we get a palindrome (2136312).
The spelling of 1013211 in words is "one million, thirteen thousand, two hundred eleven".
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