13612123 has 16 divisors (see below), whose sum is σ = 16321536. Its totient is φ = 11108160.

The previous prime is 13612117. The next prime is 13612129. The reversal of 13612123 is 32121631.

13612123 = T₂₀₂ + T₂₀₃ + ... + T₄₄₇.

It is an interprime number because it is at equal distance from previous prime (13612117) and next prime (13612129).

It is a de Polignac number, because none of the positive numbers 2^k-13612123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13612123.

It is not an unprimeable number, because it can be changed into a prime (13612129) 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, 11790 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 2^13612123 is an apocalyptic number.

13612123 is a deficient number, since it is larger than the sum of its proper divisors (2709413).

13612123 is a wasteful number, since it uses less digits than its factorization.

13612123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 216, while the sum is 19.

The square root of 13612123 is about 3689.4610717556. The cubic root of 13612123 is about 238.7675418157.

Adding to 13612123 its reverse (32121631), we get a palindrome (45733754).

The spelling of 13612123 in words is "thirteen million, six hundred twelve thousand, one hundred twenty-three".