13611146 has 4 divisors (see below), whose sum is σ = 20416722. Its totient is φ = 6805572.

The previous prime is 13611133. The next prime is 13611151. The reversal of 13611146 is 64111631.

13611146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64111631 = 199 ⋅322169.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 3845521 = 3125^2 + 1961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402785 + ... + 3402788.

Almost surely, 2^13611146 is an apocalyptic number.

13611146 is a deficient number, since it is larger than the sum of its proper divisors (6805576).

13611146 is an equidigital number, since it uses as much as digits as its factorization.

13611146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805575.

The product of its digits is 432, while the sum is 23.

The square root of 13611146 is about 3689.3286652181. The cubic root of 13611146 is about 238.7618292248.

Adding to 13611146 its reverse (64111631), we get a palindrome (77722777).

The spelling of 13611146 in words is "thirteen million, six hundred eleven thousand, one hundred forty-six".