13857670 has 8 divisors (see below), whose sum is σ = 24943824. Its totient is φ = 5543064.

The previous prime is 13857667. The next prime is 13857691. The reversal of 13857670 is 7675831.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692874 + ... + 692893.

It is an arithmetic number, because the mean of its divisors is an integer number (3117978).

Almost surely, 2^13857670 is an apocalyptic number.

13857670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13857670 is a deficient number, since it is larger than the sum of its proper divisors (11086154).

13857670 is a wasteful number, since it uses less digits than its factorization.

13857670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385774.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 13857670 is about 3722.5891527269. The cubic root of 13857670 is about 240.1946915577.

The spelling of 13857670 in words is "thirteen million, eight hundred fifty-seven thousand, six hundred seventy".