1379263 has 2 divisors, whose sum is σ = 1379264. Its totient is φ = 1379262.

The previous prime is 1379251. The next prime is 1379291. The reversal of 1379263 is 3629731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379263 is a prime.

It is a super-3 number, since 3×1379263³ = 7871590859758033341, which contains 333 as substring.

1379263 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689631 + 689632.

It is an arithmetic number, because the mean of its divisors is an integer number (689632).

2^1379263 is an apocalyptic number.

1379263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379263 is an equidigital number, since it uses as much as digits as its factorization.

1379263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 1379263 is about 1174.4202825224. The cubic root of 1379263 is about 111.3138050856.

The spelling of 1379263 in words is "one million, three hundred seventy-nine thousand, two hundred sixty-three".