13665053 has 2 divisors, whose sum is σ = 13665054. Its totient is φ = 13665052.

The previous prime is 13665023. The next prime is 13665083. The reversal of 13665053 is 35056631.

It is a balanced prime because it is at equal distance from previous prime (13665023) and next prime (13665083).

It can be written as a sum of positive squares in only one way, i.e., 13380964 + 284089 = 3658^2 + 533^2 .

It is an emirp because it is prime and its reverse (35056631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13665053 - 2²² = 9470749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13665023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6832526 + 6832527.

It is an arithmetic number, because the mean of its divisors is an integer number (6832527).

Almost surely, 2^13665053 is an apocalyptic number.

It is an amenable number.

13665053 is a deficient number, since it is larger than the sum of its proper divisors (1).

13665053 is an equidigital number, since it uses as much as digits as its factorization.

13665053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 13665053 is about 3696.6272465587. The cubic root of 13665053 is about 239.0766197507.

The spelling of 13665053 in words is "thirteen million, six hundred sixty-five thousand, fifty-three".