1263463 has 2 divisors, whose sum is σ = 1263464. Its totient is φ = 1263462.

The previous prime is 1263461. The next prime is 1263473. The reversal of 1263463 is 3643621.

It is a weak prime.

It is an emirp because it is prime and its reverse (3643621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1263463 - 2¹ = 1263461 is a prime.

Together with 1263461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631731 + 631732.

It is an arithmetic number, because the mean of its divisors is an integer number (631732).

2^1263463 is an apocalyptic number.

1263463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263463 is an equidigital number, since it uses as much as digits as its factorization.

1263463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 1263463 is about 1124.0387004014. The cubic root of 1263463 is about 108.1070897083.

The spelling of 1263463 in words is "one million, two hundred sixty-three thousand, four hundred sixty-three".