11678741 has 4 divisors (see below), whose sum is σ = 11688684. Its totient is φ = 11668800.

The previous prime is 11678707. The next prime is 11678743. The reversal of 11678741 is 14787611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14787611 = 3221 ⋅4591.

It can be written as a sum of positive squares in 2 ways, for example, as 556516 + 11122225 = 746^2 + 3335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11678741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (2922171).

Almost surely, 2^11678741 is an apocalyptic number.

It is an amenable number.

11678741 is a deficient number, since it is larger than the sum of its proper divisors (9943).

11678741 is an equidigital number, since it uses as much as digits as its factorization.

11678741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942.

The product of its digits is 9408, while the sum is 35.

The square root of 11678741 is about 3417.4172996577. The cubic root of 11678741 is about 226.8812862943.

The spelling of 11678741 in words is "eleven million, six hundred seventy-eight thousand, seven hundred forty-one".