11902280 has 64 divisors (see below), whose sum is σ = 29514240. Its totient is φ = 4292352.

The previous prime is 11902277. The next prime is 11902301. The reversal of 11902280 is 8220911.

11902280 = T₃₉ + T₄₀ + ... + T₄₁₄.

11902280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24197 + ... + 24683.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

Almost surely, 2^11902280 is an apocalyptic number.

11902280 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 11902280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14757120).

11902280 is an abundant number, since it is smaller than the sum of its proper divisors (17611960).

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

11902280 is a wasteful number, since it uses less digits than its factorization.

11902280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 11902280 is about 3449.9681157947. The cubic root of 11902280 is about 228.3197012954.

The spelling of 11902280 in words is "eleven million, nine hundred two thousand, two hundred eighty".