11891353 has 4 divisors (see below), whose sum is σ = 12181428. Its totient is φ = 11601280.

The previous prime is 11891323. The next prime is 11891357. The reversal of 11891353 is 35319811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3579664 + 8311689 = 1892^2 + 2883^2 .

It is a cyclic number.

It is not a de Polignac number, because 11891353 - 2²¹ = 9794201 is a prime.

11891353 is a modest number, since divided by 1353 gives 1189 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11891357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144976 + ... + 145057.

It is an arithmetic number, because the mean of its divisors is an integer number (3045357).

Almost surely, 2^11891353 is an apocalyptic number.

It is an amenable number.

11891353 is a deficient number, since it is larger than the sum of its proper divisors (290075).

11891353 is an equidigital number, since it uses as much as digits as its factorization.

11891353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290074.

The product of its digits is 3240, while the sum is 31.

The square root of 11891353 is about 3448.3841143353. The cubic root of 11891353 is about 228.2498095537.

The spelling of 11891353 in words is "eleven million, eight hundred ninety-one thousand, three hundred fifty-three".