1272884 has 12 divisors (see below), whose sum is σ = 2239104. Its totient is φ = 633144.

The previous prime is 1272883. The next prime is 1272893. The reversal of 1272884 is 4882721.

It is a self number, because there is not a number n which added to its sum of digits gives 1272884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272881) 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, 179 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (186592).

2^1272884 is an apocalyptic number.

It is an amenable number.

1272884 is a deficient number, since it is larger than the sum of its proper divisors (966220).

1272884 is a wasteful number, since it uses less digits than its factorization.

1272884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 1272884 is about 1128.2216094367. The cubic root of 1272884 is about 108.3751244418.

The spelling of 1272884 in words is "one million, two hundred seventy-two thousand, eight hundred eighty-four".