13616061 has 4 divisors (see below), whose sum is σ = 18154752. Its totient is φ = 9077372.

The previous prime is 13616047. The next prime is 13616081. The reversal of 13616061 is 16061631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13616061 - 2⁹ = 13615549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13616081) 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, 2269341 + ... + 2269346.

It is an arithmetic number, because the mean of its divisors is an integer number (4538688).

Almost surely, 2^13616061 is an apocalyptic number.

It is an amenable number.

13616061 is a deficient number, since it is larger than the sum of its proper divisors (4538691).

13616061 is an equidigital number, since it uses as much as digits as its factorization.

13616061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538690.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13616061 is about 3689.9947154434. The cubic root of 13616061 is about 238.7905648206.

Adding to 13616061 its reverse (16061631), we get a palindrome (29677692).

The spelling of 13616061 in words is "thirteen million, six hundred sixteen thousand, sixty-one".