11999480 has 32 divisors (see below), whose sum is σ = 27872640. Its totient is φ = 4644480.

The previous prime is 11999461. The next prime is 11999489. The reversal of 11999480 is 8499911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11999489) 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, 3599 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (871020).

Almost surely, 2^11999480 is an apocalyptic number.

11999480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11999480 is an abundant number, since it is smaller than the sum of its proper divisors (15873160).

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

11999480 is a wasteful number, since it uses less digits than its factorization.

11999480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9719 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 11999480 is about 3464.0265587896. The cubic root of 11999480 is about 228.9395415106.

It can be divided in two parts, 119 and 99480, that added together give a palindrome (99599).

The spelling of 11999480 in words is "eleven million, nine hundred ninety-nine thousand, four hundred eighty".