12013040 has 40 divisors (see below), whose sum is σ = 30081408. Its totient is φ = 4435200.

The previous prime is 12013021. The next prime is 12013069. The reversal of 12013040 is 4031021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4736 + ... + 6815.

Almost surely, 2^12013040 is an apocalyptic number.

12013040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013040 is an abundant number, since it is smaller than the sum of its proper divisors (18068368).

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

12013040 is a wasteful number, since it uses less digits than its factorization.

12013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11577 (or 11571 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12013040 is about 3465.9832659723. The cubic root of 12013040 is about 229.0257466777.

Adding to 12013040 its reverse (4031021), we get a palindrome (16044061).

The spelling of 12013040 in words is "twelve million, thirteen thousand, forty".