13061138 has 8 divisors (see below), whose sum is σ = 19647360. Its totient is φ = 6512020.

The previous prime is 13061131. The next prime is 13061173. The reversal of 13061138 is 83116031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13061131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8378 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (2455920).

Almost surely, 2^13061138 is an apocalyptic number.

13061138 is a deficient number, since it is larger than the sum of its proper divisors (6586222).

13061138 is a wasteful number, since it uses less digits than its factorization.

13061138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13061138 is about 3614.0196457684. The cubic root of 13061138 is about 235.5014973091.

Adding to 13061138 its reverse (83116031), we get a palindrome (96177169).

The spelling of 13061138 in words is "thirteen million, sixty-one thousand, one hundred thirty-eight".