13123684 has 12 divisors (see below), whose sum is σ = 26247424. Its totient is φ = 5624424.

The previous prime is 13123681. The next prime is 13123687. The reversal of 13123684 is 48632131.

It is an interprime number because it is at equal distance from previous prime (13123681) and next prime (13123687).

13123684 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 468703 = 13123684 / (1 + 3 + 1 + 2 + 3 + 6 + 8 + 4).

It is not an unprimeable number, because it can be changed into a prime (13123681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234324 + ... + 234379.

Almost surely, 2^13123684 is an apocalyptic number.

13123684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13123684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13123684 is a wasteful number, since it uses less digits than its factorization.

13123684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468714 (or 468712 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 13123684 is about 3622.6625567392. The cubic root of 13123684 is about 235.8768149615.

The spelling of 13123684 in words is "thirteen million, one hundred twenty-three thousand, six hundred eighty-four".