13120611 has 8 divisors (see below), whose sum is σ = 19993344. Its totient is φ = 7497480.

The previous prime is 13120589. The next prime is 13120619. The reversal of 13120611 is 11602131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13120611 - 2⁷ = 13120483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312375 + ... + 312416.

It is an arithmetic number, because the mean of its divisors is an integer number (2499168).

Almost surely, 2^13120611 is an apocalyptic number.

13120611 is a deficient number, since it is larger than the sum of its proper divisors (6872733).

13120611 is an equidigital number, since it uses as much as digits as its factorization.

13120611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624801.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 13120611 is about 3622.2383963511. The cubic root of 13120611 is about 235.8584028033.

Adding to 13120611 its reverse (11602131), we get a palindrome (24722742).

It can be divided in two parts, 13120 and 611, that added together give a palindrome (13731).

The spelling of 13120611 in words is "thirteen million, one hundred twenty thousand, six hundred eleven".