11487740 has 72 divisors (see below), whose sum is σ = 27349056. Its totient is φ = 4048000.

The previous prime is 11487739. The next prime is 11487757. The reversal of 11487740 is 4778411.

It is a junction number, because it is equal to n+sod(n) for n = 11487697 and 11487706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113690 + ... + 113790.

It is an arithmetic number, because the mean of its divisors is an integer number (379848).

Almost surely, 2^11487740 is an apocalyptic number.

11487740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11487740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13674528).

11487740 is an abundant number, since it is smaller than the sum of its proper divisors (15861316).

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

11487740 is a wasteful number, since it uses less digits than its factorization.

11487740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 11487740 is about 3389.3568711483. The cubic root of 11487740 is about 225.6376316263.

It can be divided in two parts, 1148 and 7740, that added together give a palindrome (8888).

The spelling of 11487740 in words is "eleven million, four hundred eighty-seven thousand, seven hundred forty".