13056611 has 4 divisors (see below), whose sum is σ = 13477824. Its totient is φ = 12635400.

The previous prime is 13056607. The next prime is 13056619. The reversal of 13056611 is 11665031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13056611 - 2² = 13056607 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (13056619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210560 + ... + 210621.

It is an arithmetic number, because the mean of its divisors is an integer number (3369456).

Almost surely, 2^13056611 is an apocalyptic number.

13056611 is a deficient number, since it is larger than the sum of its proper divisors (421213).

13056611 is an equidigital number, since it uses as much as digits as its factorization.

13056611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421212.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13056611 is about 3613.3932805605. The cubic root of 13056611 is about 235.4742858345.

The spelling of 13056611 in words is "thirteen million, fifty-six thousand, six hundred eleven".