13104312 has 64 divisors (see below), whose sum is σ = 35726880. Its totient is φ = 3981312.

The previous prime is 13104277. The next prime is 13104347. The reversal of 13104312 is 21340131.

It is an interprime number because it is at equal distance from previous prime (13104277) and next prime (13104347).

It is a junction number, because it is equal to n+sod(n) for n = 13104291 and 13104300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30048 + ... + 30480.

Almost surely, 2^13104312 is an apocalyptic number.

13104312 is a gapful number since it is divisible by the number (12) 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 13104312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17863440).

13104312 is an abundant number, since it is smaller than the sum of its proper divisors (22622568).

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

13104312 is a wasteful number, since it uses less digits than its factorization.

13104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13104312 is about 3619.9878452835. The cubic root of 13104312 is about 235.7606977742.

Adding to 13104312 its reverse (21340131), we get a palindrome (34444443).

It can be divided in two parts, 131043 and 12, that multiplied together give a square (1572516 = 1254²).

The spelling of 13104312 in words is "thirteen million, one hundred four thousand, three hundred twelve".