1272798 has 24 divisors (see below), whose sum is σ = 2847936. Its totient is φ = 410400.

The previous prime is 1272749. The next prime is 1272811. The reversal of 1272798 is 8972721.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (118664).

2^1272798 is an apocalyptic number.

1272798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1272798 is an abundant number, since it is smaller than the sum of its proper divisors (1575138).

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

1272798 is a wasteful number, since it uses less digits than its factorization.

1272798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2317 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1272798 is about 1128.1834957134. The cubic root of 1272798 is about 108.3726836668.

The spelling of 1272798 in words is "one million, two hundred seventy-two thousand, seven hundred ninety-eight".