13561102 has 4 divisors (see below), whose sum is σ = 20341656. Its totient is φ = 6780550.

The previous prime is 13561081. The next prime is 13561103. The reversal of 13561102 is 20116531.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13561102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13561103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390274 + ... + 3390277.

It is an arithmetic number, because the mean of its divisors is an integer number (5085414).

Almost surely, 2^13561102 is an apocalyptic number.

13561102 is a deficient number, since it is larger than the sum of its proper divisors (6780554).

13561102 is an equidigital number, since it uses as much as digits as its factorization.

13561102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780553.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 13561102 is about 3682.5401559250. The cubic root of 13561102 is about 238.4688519169.

Adding to 13561102 its reverse (20116531), we get a palindrome (33677633).

The spelling of 13561102 in words is "thirteen million, five hundred sixty-one thousand, one hundred two".