1373868 has 24 divisors (see below), whose sum is σ = 3562160. Its totient is φ = 457920.
The previous prime is 1373861. The next prime is 1373873. The reversal of 1373868 is 8683731.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1373861) 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, 6253 + ... + 6468.
21373868 is an apocalyptic number.
1373868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1373868 is an abundant number, since it is smaller than the sum of its proper divisors (2188292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1373868 is a wasteful number, since it uses less digits than its factorization.
1373868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12734 (or 12726 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 1373868 is about 1172.1211541475. The cubic root of 1373868 is about 111.1684804478.
It can be divided in two parts, 137 and 3868, that added together give a triangular number (4005 = T89).
The spelling of 1373868 in words is "one million, three hundred seventy-three thousand, eight hundred sixty-eight".
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