13212639103 has 4 divisors (see below), whose sum is σ = 13228616520. Its totient is φ = 13196661688.

The previous prime is 13212639073. The next prime is 13212639113. The reversal of 13212639103 is 30193621231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30193621231 = 47 ⋅642417473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212639103 is a prime.

It is a super-2 number, since 2×13212639103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212639113) 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, 7987468 + ... + 7989121.

It is an arithmetic number, because the mean of its divisors is an integer number (3307154130).

Almost surely, 2^13212639103 is an apocalyptic number.

13212639103 is a deficient number, since it is larger than the sum of its proper divisors (15977417).

13212639103 is an equidigital number, since it uses as much as digits as its factorization.

13212639103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15977416.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 13212639103 in words is "thirteen billion, two hundred twelve million, six hundred thirty-nine thousand, one hundred three".