11187480 has 32 divisors (see below), whose sum is σ = 33562800. Its totient is φ = 2983296.

The previous prime is 11187419. The next prime is 11187503. The reversal of 11187480 is 8478111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46495 + ... + 46734.

Almost surely, 2^11187480 is an apocalyptic number.

11187480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11187480 is an abundant number, since it is smaller than the sum of its proper divisors (22375320).

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

11187480 is a wasteful number, since it uses less digits than its factorization.

11187480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93243 (or 93239 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 11187480 is about 3344.7690503232. The cubic root of 11187480 is about 223.6543883705.

The spelling of 11187480 in words is "eleven million, one hundred eighty-seven thousand, four hundred eighty".