13356123 has 16 divisors (see below), whose sum is σ = 20272896. Its totient is φ = 7742240.

The previous prime is 13356121. The next prime is 13356127. The reversal of 13356123 is 32165331.

It is a happy number.

It is not a de Polignac number, because 13356123 - 2¹ = 13356121 is a prime.

It is a super-2 number, since 2×13356123² = 356772043182258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13356093 and 13356102.

It is not an unprimeable number, because it can be changed into a prime (13356121) 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, 8040 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (1267056).

Almost surely, 2^13356123 is an apocalyptic number.

13356123 is a deficient number, since it is larger than the sum of its proper divisors (6916773).

13356123 is a wasteful number, since it uses less digits than its factorization.

13356123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17634.

The product of its digits is 1620, while the sum is 24.

The square root of 13356123 is about 3654.6029880139. The cubic root of 13356123 is about 237.2612440878.

The spelling of 13356123 in words is "thirteen million, three hundred fifty-six thousand, one hundred twenty-three".