11872740 has 48 divisors (see below), whose sum is σ = 36267840. Its totient is φ = 2878080.

The previous prime is 11872733. The next prime is 11872753. The reversal of 11872740 is 4727811.

11872740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11872698 and 11872707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8335 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (755580).

Almost surely, 2^11872740 is an apocalyptic number.

11872740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11872740 is an abundant number, since it is smaller than the sum of its proper divisors (24395100).

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

11872740 is a wasteful number, since it uses less digits than its factorization.

11872740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18012 (or 18010 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 11872740 is about 3445.6842571542. The cubic root of 11872740 is about 228.1306576441.

Subtracting from 11872740 its reverse (4727811), we obtain a square (7144929 = 2673²).

The spelling of 11872740 in words is "eleven million, eight hundred seventy-two thousand, seven hundred forty".