13212639104 has 96 divisors (see below), whose sum is σ = 30675477960. Its totient is φ = 5652218880.

The previous prime is 13212639073. The next prime is 13212639113. The reversal of 13212639104 is 40193621231.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4144199 + ... + 4147385.

Almost surely, 2^13212639104 is an apocalyptic number.

13212639104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212639104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15337738980).

13212639104 is an abundant number, since it is smaller than the sum of its proper divisors (17462838856).

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

13212639104 is an equidigital number, since it uses as much as digits as its factorization.

13212639104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 13212639104 in words is "thirteen billion, two hundred twelve million, six hundred thirty-nine thousand, one hundred four".