11678203 has 4 divisors (see below), whose sum is σ = 11721568. Its totient is φ = 11634840.

The previous prime is 11678197. The next prime is 11678207. The reversal of 11678203 is 30287611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11678203 - 2⁵ = 11678171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11678207) 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, 21276 + ... + 21817.

It is an arithmetic number, because the mean of its divisors is an integer number (2930392).

Almost surely, 2^11678203 is an apocalyptic number.

11678203 is a deficient number, since it is larger than the sum of its proper divisors (43365).

11678203 is an equidigital number, since it uses as much as digits as its factorization.

11678203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43364.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11678203 is about 3417.3385843372. The cubic root of 11678203 is about 226.8778023569.

It can be divided in two parts, 11678 and 203, that added together give a square (11881 = 109²).

The spelling of 11678203 in words is "eleven million, six hundred seventy-eight thousand, two hundred three".