13966870 has 8 divisors (see below), whose sum is σ = 25140384. Its totient is φ = 5586744.

The previous prime is 13966847. The next prime is 13966879. The reversal of 13966870 is 7866931.

13966870 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13966879) 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, 698334 + ... + 698353.

It is an arithmetic number, because the mean of its divisors is an integer number (3142548).

Almost surely, 2^13966870 is an apocalyptic number.

13966870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13966870 is a deficient number, since it is larger than the sum of its proper divisors (11173514).

13966870 is a wasteful number, since it uses less digits than its factorization.

13966870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396694.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 13966870 is about 3737.2275820453. The cubic root of 13966870 is about 240.8239619389.

The spelling of 13966870 in words is "thirteen million, nine hundred sixty-six thousand, eight hundred seventy".