13755641 has 4 divisors (see below), whose sum is σ = 13765284. Its totient is φ = 13746000.

The previous prime is 13755617. The next prime is 13755649. The reversal of 13755641 is 14655731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 10530025 = 1796^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 13755641 - 2²² = 9561337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13755598 and 13755607.

It is not an unprimeable number, because it can be changed into a prime (13755649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210 + ... + 5691.

It is an arithmetic number, because the mean of its divisors is an integer number (3441321).

Almost surely, 2^13755641 is an apocalyptic number.

It is an amenable number.

13755641 is a deficient number, since it is larger than the sum of its proper divisors (9643).

13755641 is an equidigital number, since it uses as much as digits as its factorization.

13755641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642.

The product of its digits is 12600, while the sum is 32.

The square root of 13755641 is about 3708.8597978354. The cubic root of 13755641 is about 239.6037500702.

The spelling of 13755641 in words is "thirteen million, seven hundred fifty-five thousand, six hundred forty-one".