1273266 has 64 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 373248.

The previous prime is 1273241. The next prime is 1273267. The reversal of 1273266 is 6623721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 17406 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (49950).

2^1273266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598400).

1273266 is an abundant number, since it is smaller than the sum of its proper divisors (1923534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273266 is a wasteful number, since it uses less digits than its factorization.

1273266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 114 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1273266 is about 1128.3908897186. The cubic root of 1273266 is about 108.3859646956.

Adding to 1273266 its reverse (6623721), we get a palindrome (7896987).

The spelling of 1273266 in words is "one million, two hundred seventy-three thousand, two hundred sixty-six".