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1318379 is a prime number
BaseRepresentation
bin101000001110111101011
32110222110212
411001313223
5314142004
644131335
714130446
oct5016753
92428425
101318379
11820577
12536b4b
1337210a
1426465d
151b096e
hex141deb

1318379 has 2 divisors, whose sum is σ = 1318380. Its totient is φ = 1318378.

The previous prime is 1318349. The next prime is 1318409. The reversal of 1318379 is 9738131.

It is a balanced prime because it is at equal distance from previous prime (1318349) and next prime (1318409).

It is a cyclic number.

It is not a de Polignac number, because 1318379 - 212 = 1314283 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1318349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659189 + 659190.

It is an arithmetic number, because the mean of its divisors is an integer number (659190).

21318379 is an apocalyptic number.

1318379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318379 is an equidigital number, since it uses as much as digits as its factorization.

1318379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 1318379 is about 1148.2068628954. The cubic root of 1318379 is about 109.6512092642.

The spelling of 1318379 in words is "one million, three hundred eighteen thousand, three hundred seventy-nine".