13661053 has 12 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 11564952.

The previous prime is 13661033. The next prime is 13661071. The reversal of 13661053 is 35016631.

It is not a de Polignac number, because 13661053 - 2¹³ = 13652861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13661003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2388 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^13661053 is an apocalyptic number.

It is an amenable number.

13661053 is a deficient number, since it is larger than the sum of its proper divisors (2426627).

13661053 is an equidigital number, since it uses as much as digits as its factorization.

13661053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13661053 is about 3696.0861732378. The cubic root of 13661053 is about 239.0532901716.

Adding to 13661053 its reverse (35016631), we get a palindrome (48677684).

The spelling of 13661053 in words is "thirteen million, six hundred sixty-one thousand, fifty-three".