11984870 has 16 divisors (see below), whose sum is σ = 21718368. Its totient is φ = 4761600.

The previous prime is 11984857. The next prime is 11984887. The reversal of 11984870 is 7848911.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2459 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1357398).

Almost surely, 2^11984870 is an apocalyptic number.

11984870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11984870 is a deficient number, since it is larger than the sum of its proper divisors (9733498).

11984870 is a wasteful number, since it uses less digits than its factorization.

11984870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11984870 is about 3461.9170989497. The cubic root of 11984870 is about 228.8465884518.

The spelling of 11984870 in words is "eleven million, nine hundred eighty-four thousand, eight hundred seventy".