13524138 has 32 divisors (see below), whose sum is σ = 31363200. Its totient is φ = 4311648.

The previous prime is 13524101. The next prime is 13524149. The reversal of 13524138 is 83142531.

It is a happy number.

13524138 is a `hidden beast` number, since 1 + 3 + 524 + 138 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203 + ... + 6686.

It is an arithmetic number, because the mean of its divisors is an integer number (980100).

Almost surely, 2^13524138 is an apocalyptic number.

13524138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13524138 is an abundant number, since it is smaller than the sum of its proper divisors (17839062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13524138 is a wasteful number, since it uses less digits than its factorization.

13524138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923 (or 10917 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13524138 is about 3677.5179129407. The cubic root of 13524138 is about 238.2519869527.

Adding to 13524138 its reverse (83142531), we get a palindrome (96666669).

The spelling of 13524138 in words is "thirteen million, five hundred twenty-four thousand, one hundred thirty-eight".