1272992 has 24 divisors (see below), whose sum is σ = 2864736. Its totient is φ = 545472.

The previous prime is 1272991. The next prime is 1273001. The reversal of 1272992 is 2992721.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1272991) 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, 2618 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (119364).

2^1272992 is an apocalyptic number.

It is an amenable number.

1272992 is an abundant number, since it is smaller than the sum of its proper divisors (1591744).

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

1272992 is an equidigital number, since it uses as much as digits as its factorization.

1272992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 5692 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1272992 is about 1128.2694713587. The cubic root of 1272992 is about 108.3781894455.

It can be divided in two parts, 12729 and 92, that added together give a palindrome (12821).

The spelling of 1272992 in words is "one million, two hundred seventy-two thousand, nine hundred ninety-two".