11978703 has 12 divisors (see below), whose sum is σ = 18875688. Its totient is φ = 7259760.

The previous prime is 11978671. The next prime is 11978717. The reversal of 11978703 is 30787911.

11978703 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11978703 - 2⁵ = 11978671 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11978723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60400 + ... + 60597.

It is an arithmetic number, because the mean of its divisors is an integer number (1572974).

Almost surely, 2^11978703 is an apocalyptic number.

11978703 is a deficient number, since it is larger than the sum of its proper divisors (6896985).

11978703 is a wasteful number, since it uses less digits than its factorization.

11978703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121014 (or 121011 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 11978703 is about 3461.0262928790. The cubic root of 11978703 is about 228.8073295348.

The spelling of 11978703 in words is "eleven million, nine hundred seventy-eight thousand, seven hundred three".