10947880 has 16 divisors (see below), whose sum is σ = 24632820. Its totient is φ = 4379136.

The previous prime is 10947841. The next prime is 10947889. The reversal of 10947880 is 8874901.

It can be written as a sum of positive squares in 2 ways, for example, as 9474084 + 1473796 = 3078^2 + 1214^2 .

It is not an unprimeable number, because it can be changed into a prime (10947889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136809 + ... + 136888.

Almost surely, 2^10947880 is an apocalyptic number.

10947880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10947880 is an abundant number, since it is smaller than the sum of its proper divisors (13684940).

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

10947880 is a wasteful number, since it uses less digits than its factorization.

10947880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273708 (or 273704 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 10947880 is about 3308.7580751696. The cubic root of 10947880 is about 222.0461987558.

The spelling of 10947880 in words is "ten million, nine hundred forty-seven thousand, eight hundred eighty".