13105542 has 8 divisors (see below), whose sum is σ = 26211096. Its totient is φ = 4368512.

The previous prime is 13105541. The next prime is 13105549. The reversal of 13105542 is 24550131.

It is a sphenic number, since it is the product of 3 distinct primes.

13105542 is an admirable number.

It is a super-2 number, since 2×13105542² = 343510462227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092123 + ... + 1092134.

It is an arithmetic number, because the mean of its divisors is an integer number (3276387).

Almost surely, 2^13105542 is an apocalyptic number.

13105542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13105542 is a wasteful number, since it uses less digits than its factorization.

13105542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184262.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13105542 is about 3620.1577313703. The cubic root of 13105542 is about 235.7680738853.

Adding to 13105542 its reverse (24550131), we get a palindrome (37655673).

The spelling of 13105542 in words is "thirteen million, one hundred five thousand, five hundred forty-two".