1273263 has 8 divisors (see below), whose sum is σ = 1752576. Its totient is φ = 821400.

The previous prime is 1273241. The next prime is 1273267. The reversal of 1273263 is 3623721.

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

It is not a de Polignac number, because 1273263 - 2⁵ = 1273231 is a prime.

1273263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6753 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (219072).

2^1273263 is an apocalyptic number.

1273263 is a deficient number, since it is larger than the sum of its proper divisors (479313).

1273263 is a wasteful number, since it uses less digits than its factorization.

1273263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13725.

The product of its digits is 1512, while the sum is 24.

The square root of 1273263 is about 1128.3895603913. The cubic root of 1273263 is about 108.3858795712.

Adding to 1273263 its reverse (3623721), we get a palindrome (4896984).

The spelling of 1273263 in words is "one million, two hundred seventy-three thousand, two hundred sixty-three".