11420560 has 20 divisors (see below), whose sum is σ = 26552988. Its totient is φ = 4568192.

The previous prime is 11420543. The next prime is 11420567. The reversal of 11420560 is 6502411.

It can be written as a sum of positive squares in 2 ways, for example, as 3400336 + 8020224 = 1844^2 + 2832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (11420567) 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, 71299 + ... + 71458.

Almost surely, 2^11420560 is an apocalyptic number.

11420560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420560 is an abundant number, since it is smaller than the sum of its proper divisors (15132428).

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

11420560 is a wasteful number, since it uses less digits than its factorization.

11420560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142770 (or 142764 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11420560 is about 3379.4319049213. The cubic root of 11420560 is about 225.1969304677.

Adding to 11420560 its reverse (6502411), we get a palindrome (17922971).

The spelling of 11420560 in words is "eleven million, four hundred twenty thousand, five hundred sixty".