11248681 has 4 divisors (see below), whose sum is σ = 11268432. Its totient is φ = 11228932.

The previous prime is 11248649. The next prime is 11248687. The reversal of 11248681 is 18684211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11248681 - 2⁵ = 11248649 is a prime.

It is a super-2 number, since 2×11248681² = 253065648479522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11248687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8995 + ... + 10168.

It is an arithmetic number, because the mean of its divisors is an integer number (2817108).

Almost surely, 2^11248681 is an apocalyptic number.

It is an amenable number.

11248681 is a deficient number, since it is larger than the sum of its proper divisors (19751).

11248681 is an equidigital number, since it uses as much as digits as its factorization.

11248681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750.

The product of its digits is 3072, while the sum is 31.

The square root of 11248681 is about 3353.9053355752. The cubic root of 11248681 is about 224.0614799888.

The spelling of 11248681 in words is "eleven million, two hundred forty-eight thousand, six hundred eighty-one".