13641123 has 16 divisors (see below), whose sum is σ = 19781280. Its totient is φ = 8326656.

The previous prime is 13641113. The next prime is 13641127. The reversal of 13641123 is 32114631.

It is not a de Polignac number, because 13641123 - 2⁸ = 13640867 is a prime.

It is a super-2 number, since 2×13641123² = 372160473402258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13641123.

It is not an unprimeable number, because it can be changed into a prime (13641127) 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, 1728 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (1236330).

Almost surely, 2^13641123 is an apocalyptic number.

13641123 is a deficient number, since it is larger than the sum of its proper divisors (6140157).

13641123 is a wasteful number, since it uses less digits than its factorization.

13641123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286.

The product of its digits is 432, while the sum is 21.

The square root of 13641123 is about 3693.3890940436. The cubic root of 13641123 is about 238.9369826211.

Adding to 13641123 its reverse (32114631), we get a palindrome (45755754).

The spelling of 13641123 in words is "thirteen million, six hundred forty-one thousand, one hundred twenty-three".