4012560 has 60 divisors (see below), whose sum is σ = 13477932. Its totient is φ = 1069824.

The previous prime is 4012549. The next prime is 4012573. The reversal of 4012560 is 652104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 3326976 = 828^2 + 1824^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×4012560² = 32201275507200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2067 + ... + 3506.

Almost surely, 2^4012560 is an apocalyptic number.

4012560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012560 is an abundant number, since it is smaller than the sum of its proper divisors (9465372).

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

4012560 is a wasteful number, since it uses less digits than its factorization.

4012560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4012560 is about 2003.1375389623. The cubic root of 4012560 is about 158.9060795748.

Adding to 4012560 its reverse (652104), we get a palindrome (4664664).

The spelling of 4012560 in words is "four million, twelve thousand, five hundred sixty".