13138292 has 12 divisors (see below), whose sum is σ = 23028516. Its totient is φ = 6558720.

The previous prime is 13138261. The next prime is 13138303. The reversal of 13138292 is 29283131.

13138292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 1263376 = 3446^2 + 1124^2 .

It is a super-2 number, since 2×13138292² = 345229433354528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (1919043).

Almost surely, 2^13138292 is an apocalyptic number.

It is an amenable number.

13138292 is a deficient number, since it is larger than the sum of its proper divisors (9890224).

13138292 is a wasteful number, since it uses less digits than its factorization.

13138292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218 (or 5216 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 13138292 is about 3624.6781926124. The cubic root of 13138292 is about 235.9643008340.

The spelling of 13138292 in words is "thirteen million, one hundred thirty-eight thousand, two hundred ninety-two".