1263315 has 8 divisors (see below), whose sum is σ = 2021328. Its totient is φ = 673760.

The previous prime is 1263307. The next prime is 1263319. The reversal of 1263315 is 5133621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1263315 - 2³ = 1263307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1263291 and 1263300.

It is not an unprimeable number, because it can be changed into a prime (1263319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42096 + ... + 42125.

It is an arithmetic number, because the mean of its divisors is an integer number (252666).

2^1263315 is an apocalyptic number.

1263315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1263315 is a deficient number, since it is larger than the sum of its proper divisors (758013).

1263315 is an equidigital number, since it uses as much as digits as its factorization.

1263315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84229.

The product of its digits is 540, while the sum is 21.

The square root of 1263315 is about 1123.9728644411. The cubic root of 1263315 is about 108.1028683806.

Adding to 1263315 its reverse (5133621), we get a palindrome (6396936).

The spelling of 1263315 in words is "one million, two hundred sixty-three thousand, three hundred fifteen".