13045240 has 32 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 4816512.

The previous prime is 13045237. The next prime is 13045247. The reversal of 13045240 is 4254031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12024 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^13045240 is an apocalyptic number.

13045240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13045240 is an abundant number, since it is smaller than the sum of its proper divisors (18565640).

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

13045240 is a wasteful number, since it uses less digits than its factorization.

13045240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25111 (or 25107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13045240 is about 3611.8194860762. The cubic root of 13045240 is about 235.4059078105.

Adding to 13045240 its reverse (4254031), we get a palindrome (17299271).

The spelling of 13045240 in words is "thirteen million, forty-five thousand, two hundred forty".