1318879 has 2 divisors, whose sum is σ = 1318880. Its totient is φ = 1318878.

The previous prime is 1318861. The next prime is 1318883. The reversal of 1318879 is 9788131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318879 - 2¹¹ = 1316831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659439 + 659440.

It is an arithmetic number, because the mean of its divisors is an integer number (659440).

2^1318879 is an apocalyptic number.

1318879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318879 is an equidigital number, since it uses as much as digits as its factorization.

1318879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 1318879 is about 1148.4245730565. The cubic root of 1318879 is about 109.6650693846.

It can be divided in two parts, 1318 and 879, that added together give a cube (2197 = 13³).

The spelling of 1318879 in words is "one million, three hundred eighteen thousand, eight hundred seventy-nine".