1363979 has 2 divisors, whose sum is σ = 1363980. Its totient is φ = 1363978.

The previous prime is 1363963. The next prime is 1363993. The reversal of 1363979 is 9793631.

It is a strong prime.

It is an emirp because it is prime and its reverse (9793631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1363979 - 2⁴ = 1363963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1363909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681989 + 681990.

It is an arithmetic number, because the mean of its divisors is an integer number (681990).

2^1363979 is an apocalyptic number.

1363979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363979 is an equidigital number, since it uses as much as digits as its factorization.

1363979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 38.

The square root of 1363979 is about 1167.8951151538. The cubic root of 1363979 is about 110.9011104215.

The spelling of 1363979 in words is "one million, three hundred sixty-three thousand, nine hundred seventy-nine".