1213368 has 32 divisors (see below), whose sum is σ = 3267600. Its totient is φ = 373248.
The previous prime is 1213367. The next prime is 1213379. The reversal of 1213368 is 8633121.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 2256.
21213368 is an apocalyptic number.
It is an amenable number.
1213368 is an abundant number, since it is smaller than the sum of its proper divisors (2054232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213368 is a wasteful number, since it uses less digits than its factorization.
1213368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3911 (or 3907 counting only the distinct ones).
The product of its digits is 864, while the sum is 24.
The square root of 1213368 is about 1101.5298452607. The cubic root of 1213368 is about 106.6590011853.
Adding to 1213368 its reverse (8633121), we get a palindrome (9846489).
The spelling of 1213368 in words is "one million, two hundred thirteen thousand, three hundred sixty-eight".
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