11861480 has 32 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 4696896.

The previous prime is 11861467. The next prime is 11861527. The reversal of 11861480 is 8416811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2681 + ... + 5559.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^11861480 is an apocalyptic number.

11861480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11861480 is an abundant number, since it is smaller than the sum of its proper divisors (15095320).

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

11861480 is a wasteful number, since it uses less digits than its factorization.

11861480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11861480 is about 3444.0499415659. The cubic root of 11861480 is about 228.0585158107.

The spelling of 11861480 in words is "eleven million, eight hundred sixty-one thousand, four hundred eighty".