13113522 has 32 divisors (see below), whose sum is σ = 29856960. Its totient is φ = 4263840.

The previous prime is 13113521. The next prime is 13113547. The reversal of 13113522 is 22531131.

13113522 is a `hidden beast` number, since 1 + 311 + 352 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13113495 and 13113504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113521) 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, 748 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (933030).

Almost surely, 2^13113522 is an apocalyptic number.

13113522 is an abundant number, since it is smaller than the sum of its proper divisors (16743438).

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

13113522 is a wasteful number, since it uses less digits than its factorization.

13113522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975 (or 5969 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 13113522 is about 3621.2597255651. The cubic root of 13113522 is about 235.8159174488.

Adding to 13113522 its reverse (22531131), we get a palindrome (35644653).

The spelling of 13113522 in words is "thirteen million, one hundred thirteen thousand, five hundred twenty-two".