13013766 has 24 divisors (see below), whose sum is σ = 28314000. Its totient is φ = 4319856.

The previous prime is 13013761. The next prime is 13013771. The reversal of 13013766 is 66731031.

It is an interprime number because it is at equal distance from previous prime (13013761) and next prime (13013771).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3360 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (1179750).

Almost surely, 2^13013766 is an apocalyptic number.

13013766 is an abundant number, since it is smaller than the sum of its proper divisors (15300234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013766 is a wasteful number, since it uses less digits than its factorization.

13013766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13013766 is about 3607.4597710855. The cubic root of 13013766 is about 235.2164355792.

Adding to 13013766 its reverse (66731031), we get a palindrome (79744797).

The spelling of 13013766 in words is "thirteen million, thirteen thousand, seven hundred sixty-six".