13751066 has 12 divisors (see below), whose sum is σ = 23994378. Its totient is φ = 5893272.

The previous prime is 13751063. The next prime is 13751069. The reversal of 13751066 is 66015731.

13751066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13751063) and next prime (13751069).

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 6105841 = 2765^2 + 2471^2 .

It is a super-2 number, since 2×13751066² = 378183632272712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13751063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70061 + ... + 70256.

Almost surely, 2^13751066 is an apocalyptic number.

13751066 is a deficient number, since it is larger than the sum of its proper divisors (10243312).

13751066 is a wasteful number, since it uses less digits than its factorization.

13751066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140333 (or 140326 counting only the distinct ones).

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

The square root of 13751066 is about 3708.2429801727. The cubic root of 13751066 is about 239.5771837884.

Adding to 13751066 its reverse (66015731), we get a palindrome (79766797).

The spelling of 13751066 in words is "thirteen million, seven hundred fifty-one thousand, sixty-six".