13121102 has 4 divisors (see below), whose sum is σ = 19681656. Its totient is φ = 6560550.

The previous prime is 13121099. The next prime is 13121117. The reversal of 13121102 is 20112131.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280274 + ... + 3280277.

It is an arithmetic number, because the mean of its divisors is an integer number (4920414).

Almost surely, 2^13121102 is an apocalyptic number.

13121102 is a deficient number, since it is larger than the sum of its proper divisors (6560554).

13121102 is an equidigital number, since it uses as much as digits as its factorization.

13121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560553.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13121102 is about 3622.3061714880. The cubic root of 13121102 is about 235.8613448673.

Adding to 13121102 its reverse (20112131), we get a palindrome (33233233).

The spelling of 13121102 in words is "thirteen million, one hundred twenty-one thousand, one hundred two".