13133040 has 40 divisors (see below), whose sum is σ = 40713168. Its totient is φ = 3502080.

The previous prime is 13133033. The next prime is 13133059. The reversal of 13133040 is 4033131.

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

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 27121 + ... + 27600.

Almost surely, 2^13133040 is an apocalyptic number.

13133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133040 is an abundant number, since it is smaller than the sum of its proper divisors (27580128).

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

13133040 is a wasteful number, since it uses less digits than its factorization.

13133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54737 (or 54731 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13133040 is about 3623.9536420876. The cubic root of 13133040 is about 235.9328545933.

Adding to 13133040 its reverse (4033131), we get a palindrome (17166171).

Subtracting from 13133040 its reverse (4033131), we obtain a palindrome (9099909).

The spelling of 13133040 in words is "thirteen million, one hundred thirty-three thousand, forty".