13145662 has 4 divisors (see below), whose sum is σ = 19718496. Its totient is φ = 6572830.

The previous prime is 13145651. The next prime is 13145681. The reversal of 13145662 is 26654131.

13145662 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.

It is a self number, because there is not a number n which added to its sum of digits gives 13145662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286414 + ... + 3286417.

It is an arithmetic number, because the mean of its divisors is an integer number (4929624).

Almost surely, 2^13145662 is an apocalyptic number.

13145662 is a deficient number, since it is larger than the sum of its proper divisors (6572834).

13145662 is an equidigital number, since it uses as much as digits as its factorization.

13145662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572833.

The product of its digits is 4320, while the sum is 28.

The square root of 13145662 is about 3625.6946920556. The cubic root of 13145662 is about 236.0084144276.

Adding to 13145662 its reverse (26654131), we get a palindrome (39799793).

The spelling of 13145662 in words is "thirteen million, one hundred forty-five thousand, six hundred sixty-two".