11278741 has 4 divisors (see below), whose sum is σ = 11337984. Its totient is φ = 11219500.

The previous prime is 11278733. The next prime is 11278753. The reversal of 11278741 is 14787211.

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 11278741 - 2³ = 11278733 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 (11278711) 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, 29335 + ... + 29716.

It is an arithmetic number, because the mean of its divisors is an integer number (2834496).

Almost surely, 2^11278741 is an apocalyptic number.

It is an amenable number.

11278741 is a deficient number, since it is larger than the sum of its proper divisors (59243).

11278741 is an equidigital number, since it uses as much as digits as its factorization.

11278741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59242.

The product of its digits is 3136, while the sum is 31.

The square root of 11278741 is about 3358.3836886217. The cubic root of 11278741 is about 224.2608899575.

The spelling of 11278741 in words is "eleven million, two hundred seventy-eight thousand, seven hundred forty-one".