13675978 has 8 divisors (see below), whose sum is σ = 20991168. Its totient is φ = 6678924.

The previous prime is 13675957. The next prime is 13675979. The reversal of 13675978 is 87957631.

13675978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (13675979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79426 + ... + 79597.

It is an arithmetic number, because the mean of its divisors is an integer number (2623896).

Almost surely, 2^13675978 is an apocalyptic number.

13675978 is a deficient number, since it is larger than the sum of its proper divisors (7315190).

13675978 is a wasteful number, since it uses less digits than its factorization.

13675978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159068.

The product of its digits is 317520, while the sum is 46.

The square root of 13675978 is about 3698.1046496821. The cubic root of 13675978 is about 239.1403154744.

The spelling of 13675978 in words is "thirteen million, six hundred seventy-five thousand, nine hundred seventy-eight".