13620141 has 12 divisors (see below), whose sum is σ = 19996860. Its totient is φ = 8930880.

The previous prime is 13620133. The next prime is 13620149. The reversal of 13620141 is 14102631.

It is a happy number.

13620141 is a `hidden beast` number, since 1 + 3 + 620 + 1 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (13620133) and next prime (13620149).

It can be written as a sum of positive squares in 2 ways, for example, as 5616900 + 8003241 = 2370^2 + 2829^2 .

It is not a de Polignac number, because 13620141 - 2³ = 13620133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11856 + ... + 12953.

It is an arithmetic number, because the mean of its divisors is an integer number (1666405).

Almost surely, 2^13620141 is an apocalyptic number.

It is an amenable number.

13620141 is a deficient number, since it is larger than the sum of its proper divisors (6376719).

13620141 is a wasteful number, since it uses less digits than its factorization.

13620141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24876 (or 24873 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13620141 is about 3690.5475203552. The cubic root of 13620141 is about 238.8144133283.

Adding to 13620141 its reverse (14102631), we get a palindrome (27722772).

The spelling of 13620141 in words is "thirteen million, six hundred twenty thousand, one hundred forty-one".