11678403 has 8 divisors (see below), whose sum is σ = 16986816. Its totient is φ = 7077800.

The previous prime is 11678393. The next prime is 11678431. The reversal of 11678403 is 30487611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11678403 - 2⁹ = 11677891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11678453) 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 7 ways as a sum of consecutive naturals, for example, 176913 + ... + 176978.

It is an arithmetic number, because the mean of its divisors is an integer number (2123352).

Almost surely, 2^11678403 is an apocalyptic number.

11678403 is a deficient number, since it is larger than the sum of its proper divisors (5308413).

11678403 is a wasteful number, since it uses less digits than its factorization.

11678403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353905.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 11678403 is about 3417.3678467499. The cubic root of 11678403 is about 226.8790975134.

The spelling of 11678403 in words is "eleven million, six hundred seventy-eight thousand, four hundred three".