13575944 has 32 divisors (see below), whose sum is σ = 26568000. Its totient is φ = 6495552.

The previous prime is 13575943. The next prime is 13575949. The reversal of 13575944 is 44957531.

It is a super-2 number, since 2×13575944² = 368612510982272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13575898 and 13575907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575943) 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, 37637 + ... + 37995.

It is an arithmetic number, because the mean of its divisors is an integer number (830250).

Almost surely, 2^13575944 is an apocalyptic number.

It is an amenable number.

13575944 is a deficient number, since it is larger than the sum of its proper divisors (12992056).

13575944 is a wasteful number, since it uses less digits than its factorization.

13575944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 13575944 is about 3684.5547899305. The cubic root of 13575944 is about 238.5558179138. Note that the first 3 decimals are identical.

The spelling of 13575944 in words is "thirteen million, five hundred seventy-five thousand, nine hundred forty-four".