1272393 has 12 divisors (see below), whose sum is σ = 1888068. Its totient is φ = 825120.

The previous prime is 1272379. The next prime is 1272409. The reversal of 1272393 is 3932721.

1272393 is a `hidden beast` number, since 1 + 272 + 393 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1140624 + 131769 = 1068^2 + 363^2 .

It is not a de Polignac number, because 1272393 - 2⁴ = 1272377 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1272343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (157339).

2^1272393 is an apocalyptic number.

It is an amenable number.

1272393 is a deficient number, since it is larger than the sum of its proper divisors (615675).

1272393 is a wasteful number, since it uses less digits than its factorization.

1272393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3861 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1272393 is about 1128.0039893546. The cubic root of 1272393 is about 108.3611878408.

The spelling of 1272393 in words is "one million, two hundred seventy-two thousand, three hundred ninety-three".