11247980 has 12 divisors (see below), whose sum is σ = 23620800. Its totient is φ = 4499184.

The previous prime is 11247979. The next prime is 11247991. The reversal of 11247980 is 8974211.

11247980 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 3 ways as a sum of consecutive naturals, for example, 281180 + ... + 281219.

It is an arithmetic number, because the mean of its divisors is an integer number (1968400).

Almost surely, 2^11247980 is an apocalyptic number.

11247980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11247980 is an abundant number, since it is smaller than the sum of its proper divisors (12372820).

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

11247980 is a wasteful number, since it uses less digits than its factorization.

11247980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562408 (or 562406 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11247980 is about 3353.8008289104. The cubic root of 11247980 is about 224.0568255065.

The spelling of 11247980 in words is "eleven million, two hundred forty-seven thousand, nine hundred eighty".