11329978 has 16 divisors (see below), whose sum is σ = 18727200. Its totient is φ = 5098000.

The previous prime is 11329951. The next prime is 11329979. The reversal of 11329978 is 87992311.

It is a self number, because there is not a number n which added to its sum of digits gives 11329978.

It is not an unprimeable number, because it can be changed into a prime (11329979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (1170450).

Almost surely, 2^11329978 is an apocalyptic number.

11329978 is a deficient number, since it is larger than the sum of its proper divisors (7397222).

11329978 is a wasteful number, since it uses less digits than its factorization.

11329978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213.

The product of its digits is 27216, while the sum is 40.

The square root of 11329978 is about 3366.0032679723. The cubic root of 11329978 is about 224.5999673837.

The spelling of 11329978 in words is "eleven million, three hundred twenty-nine thousand, nine hundred seventy-eight".