13678870 has 8 divisors (see below), whose sum is σ = 24621984. Its totient is φ = 5471544.

The previous prime is 13678853. The next prime is 13678891. The reversal of 13678870 is 7887631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13678870² = 374222968953800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683934 + ... + 683953.

It is an arithmetic number, because the mean of its divisors is an integer number (3077748).

Almost surely, 2^13678870 is an apocalyptic number.

13678870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13678870 is a deficient number, since it is larger than the sum of its proper divisors (10943114).

13678870 is a wasteful number, since it uses less digits than its factorization.

13678870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367894.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 13678870 is about 3698.4956401218. The cubic root of 13678870 is about 239.1571709428.

The spelling of 13678870 in words is "thirteen million, six hundred seventy-eight thousand, eight hundred seventy".