11450780 has 96 divisors (see below), whose sum is σ = 28643328. Its totient is φ = 3801600.

The previous prime is 11450743. The next prime is 11450807. The reversal of 11450780 is 8705411.

It is a super-2 number, since 2×11450780² = 262240725216800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156824 + ... + 156896.

It is an arithmetic number, because the mean of its divisors is an integer number (298368).

Almost surely, 2^11450780 is an apocalyptic number.

11450780 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 11450780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14321664).

11450780 is an abundant number, since it is smaller than the sum of its proper divisors (17192548).

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

11450780 is a wasteful number, since it uses less digits than its factorization.

11450780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11450780 is about 3383.9001167292. The cubic root of 11450780 is about 225.3953870933.

The spelling of 11450780 in words is "eleven million, four hundred fifty thousand, seven hundred eighty".