11878860 has 48 divisors (see below), whose sum is σ = 38013696. Its totient is φ = 2715072.

The previous prime is 11878847. The next prime is 11878861. The reversal of 11878860 is 6887811.

It is a super-2 number, since 2×11878860² = 282214629799200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11878861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13722 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (791952).

Almost surely, 2^11878860 is an apocalyptic number.

11878860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11878860 is an abundant number, since it is smaller than the sum of its proper divisors (26134836).

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

11878860 is a wasteful number, since it uses less digits than its factorization.

11878860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28302 (or 28300 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 11878860 is about 3446.5722101822. The cubic root of 11878860 is about 228.1698488166.

The spelling of 11878860 in words is "eleven million, eight hundred seventy-eight thousand, eight hundred sixty".