13012123 has 16 divisors (see below), whose sum is σ = 14347584. Its totient is φ = 11750400.

The previous prime is 13012117. The next prime is 13012141. The reversal of 13012123 is 32121031.

13012123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13012123 - 2¹⁷ = 12881051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86098 + ... + 86248.

It is an arithmetic number, because the mean of its divisors is an integer number (896724).

Almost surely, 2^13012123 is an apocalyptic number.

13012123 is a deficient number, since it is larger than the sum of its proper divisors (1335461).

13012123 is a wasteful number, since it uses less digits than its factorization.

13012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13012123 is about 3607.2320413303. The cubic root of 13012123 is about 235.2065363984.

Adding to 13012123 its reverse (32121031), we get a palindrome (45133154).

The spelling of 13012123 in words is "thirteen million, twelve thousand, one hundred twenty-three".