13678970 has 16 divisors (see below), whose sum is σ = 24772608. Its totient is φ = 5438160.

The previous prime is 13678969. The next prime is 13678979. The reversal of 13678970 is 7987631.

It is a super-2 number, since 2×13678970² = 374228440521800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13678979) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2426 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (1548288).

Almost surely, 2^13678970 is an apocalyptic number.

13678970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13678970 is a deficient number, since it is larger than the sum of its proper divisors (11093638).

13678970 is a wasteful number, since it uses less digits than its factorization.

13678970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8365.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 13678970 is about 3698.5091591072. The cubic root of 13678970 is about 239.1577537312.

The spelling of 13678970 in words is "thirteen million, six hundred seventy-eight thousand, nine hundred seventy".