1273988 has 12 divisors (see below), whose sum is σ = 2346960. Its totient is φ = 603432.

The previous prime is 1273981. The next prime is 1274011. The reversal of 1273988 is 8893721.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1273981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8306 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (195580).

2^1273988 is an apocalyptic number.

It is an amenable number.

1273988 is a deficient number, since it is larger than the sum of its proper divisors (1072972).

1273988 is a wasteful number, since it uses less digits than its factorization.

1273988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786 (or 16784 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 1273988 is about 1128.7107689749. The cubic root of 1273988 is about 108.4064474227.

The spelling of 1273988 in words is "one million, two hundred seventy-three thousand, nine hundred eighty-eight".