13700678 has 4 divisors (see below), whose sum is σ = 20551020. Its totient is φ = 6850338.

The previous prime is 13700677. The next prime is 13700681. The reversal of 13700678 is 87600731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87600731 = 317 ⋅276343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13700671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425168 + ... + 3425171.

It is an arithmetic number, because the mean of its divisors is an integer number (5137755).

Almost surely, 2^13700678 is an apocalyptic number.

13700678 is a deficient number, since it is larger than the sum of its proper divisors (6850342).

13700678 is an equidigital number, since it uses as much as digits as its factorization.

13700678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850341.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 13700678 is about 3701.4426917082. The cubic root of 13700678 is about 239.2841982571.

The spelling of 13700678 in words is "thirteen million, seven hundred thousand, six hundred seventy-eight".