11870320 has 160 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 3532800.

The previous prime is 11870317. The next prime is 11870329. The reversal of 11870320 is 2307811.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11870291 and 11870300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11870329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252537 + ... + 252583.

Almost surely, 2^11870320 is an apocalyptic number.

11870320 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 11870320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17998848).

11870320 is an abundant number, since it is smaller than the sum of its proper divisors (24127376).

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

11870320 is a wasteful number, since it uses less digits than its factorization.

11870320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11870320 is about 3445.3330753354. Note that the first 3 decimals coincide. The cubic root of 11870320 is about 228.1151567655.

The spelling of 11870320 in words is "eleven million, eight hundred seventy thousand, three hundred twenty".