1318970 has 16 divisors (see below), whose sum is σ = 2432808. Its totient is φ = 514560.
The previous prime is 1318963. The next prime is 1318973. The reversal of 1318970 is 798131.
It can be written as a sum of positive squares in 4 ways, for example, as 1002001 + 316969 = 1001^2 + 563^2 .
It is not an unprimeable number, because it can be changed into a prime (1318973) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1199 + ... + 2018.
21318970 is an apocalyptic number.
1318970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1318970 is a deficient number, since it is larger than the sum of its proper divisors (1113838).
1318970 is a wasteful number, since it uses less digits than its factorization.
1318970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3265.
The product of its (nonzero) digits is 1512, while the sum is 29.
The square root of 1318970 is about 1148.4641918667. The cubic root of 1318970 is about 109.6675915497.
The spelling of 1318970 in words is "one million, three hundred eighteen thousand, nine hundred seventy".
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