11004978 has 16 divisors (see below), whose sum is σ = 22769280. Its totient is φ = 3541776.

The previous prime is 11004977. The next prime is 11004979. The reversal of 11004978 is 87940011.

It is an interprime number because it is at equal distance from previous prime (11004977) and next prime (11004979).

It is a super-2 number, since 2×11004978² = 242219081560968, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11004977) 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, 31450 + ... + 31797.

It is an arithmetic number, because the mean of its divisors is an integer number (1423080).

Almost surely, 2^11004978 is an apocalyptic number.

11004978 is an abundant number, since it is smaller than the sum of its proper divisors (11764302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11004978 is a wasteful number, since it uses less digits than its factorization.

11004978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63281.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11004978 is about 3317.3751672067. The cubic root of 11004978 is about 222.4315524002.

Adding to 11004978 its reverse (87940011), we get a palindrome (98944989).

The spelling of 11004978 in words is "eleven million, four thousand, nine hundred seventy-eight".