13075640 has 32 divisors (see below), whose sum is σ = 29700000. Its totient is φ = 5180544.

The previous prime is 13075619. The next prime is 13075649. The reversal of 13075640 is 4657031.

It is a super-2 number, since 2×13075640² = 341944722819200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13075649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (928125).

Almost surely, 2^13075640 is an apocalyptic number.

13075640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13075640 is an abundant number, since it is smaller than the sum of its proper divisors (16624360).

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

13075640 is a wasteful number, since it uses less digits than its factorization.

13075640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13075640 is about 3616.0254423884. The cubic root of 13075640 is about 235.5886254877.

The spelling of 13075640 in words is "thirteen million, seventy-five thousand, six hundred forty".