11893261 has 4 divisors (see below), whose sum is σ = 11900412. Its totient is φ = 11886112.

The previous prime is 11893247. The next prime is 11893289. The reversal of 11893261 is 16239811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 11222500 = 819^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11893261 - 2⁵ = 11893229 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11893291) 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, 375 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (2975103).

Almost surely, 2^11893261 is an apocalyptic number.

It is an amenable number.

11893261 is a deficient number, since it is larger than the sum of its proper divisors (7151).

11893261 is an equidigital number, since it uses as much as digits as its factorization.

11893261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150.

The product of its digits is 2592, while the sum is 31.

The square root of 11893261 is about 3448.6607545539. The cubic root of 11893261 is about 228.2620166689.

The spelling of 11893261 in words is "eleven million, eight hundred ninety-three thousand, two hundred sixty-one".