13493678 has 32 divisors (see below), whose sum is σ = 23031648. Its totient is φ = 5924160.

The previous prime is 13493659. The next prime is 13493681. The reversal of 13493678 is 87639431.

It is a Curzon number.

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, 98426 + ... + 98562.

It is an arithmetic number, because the mean of its divisors is an integer number (719739).

Almost surely, 2^13493678 is an apocalyptic number.

13493678 is a deficient number, since it is larger than the sum of its proper divisors (9537970).

13493678 is a wasteful number, since it uses less digits than its factorization.

13493678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 187 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 13493678 is about 3673.3741981998. The cubic root of 13493678 is about 238.0729832901.

Subtracting 13493678 from its reverse (87639431), we obtain a triangular number (74145753 = T₁₂₁₇₇).

The spelling of 13493678 in words is "thirteen million, four hundred ninety-three thousand, six hundred seventy-eight".