11273955 has 64 divisors (see below), whose sum is σ = 23113728. Its totient is φ = 4556160.

The previous prime is 11273939. The next prime is 11273963. The reversal of 11273955 is 55937211.

It is not a de Polignac number, because 11273955 - 2⁴ = 11273939 is a prime.

It is a super-2 number, since 2×11273955² = 254204122684050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49552 + ... + 49778.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 2^11273955 is an apocalyptic number.

11273955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11273955 is an abundant number, since it is smaller than the sum of its proper divisors (11839773).

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

11273955 is a wasteful number, since it uses less digits than its factorization.

11273955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its digits is 9450, while the sum is 33.

The square root of 11273955 is about 3357.6710678683. The cubic root of 11273955 is about 224.2291646532.

The spelling of 11273955 in words is "eleven million, two hundred seventy-three thousand, nine hundred fifty-five".