13715066 has 4 divisors (see below), whose sum is σ = 20572602. Its totient is φ = 6857532.

The previous prime is 13715063. The next prime is 13715071. The reversal of 13715066 is 66051731.

13715066 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: 66051731 = 31 ⋅2130701.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 2989441 = 3275^2 + 1729^2 .

It is a super-3 number, since 3×13715066³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13715063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428765 + ... + 3428768.

Almost surely, 2^13715066 is an apocalyptic number.

13715066 is a deficient number, since it is larger than the sum of its proper divisors (6857536).

13715066 is an equidigital number, since it uses as much as digits as its factorization.

13715066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857535.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13715066 is about 3703.3857482039. The cubic root of 13715066 is about 239.3679317426.

Adding to 13715066 its reverse (66051731), we get a palindrome (79766797).

The spelling of 13715066 in words is "thirteen million, seven hundred fifteen thousand, sixty-six".