13748678 has 4 divisors (see below), whose sum is σ = 20623020. Its totient is φ = 6874338.

The previous prime is 13748671. The next prime is 13748681. The reversal of 13748678 is 87684731.

13748678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13748678² = 378052293495368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13748671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437168 + ... + 3437171.

It is an arithmetic number, because the mean of its divisors is an integer number (5155755).

Almost surely, 2^13748678 is an apocalyptic number.

13748678 is a deficient number, since it is larger than the sum of its proper divisors (6874342).

13748678 is an equidigital number, since it uses as much as digits as its factorization.

13748678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874341.

The product of its digits is 225792, while the sum is 44.

The square root of 13748678 is about 3707.9209808193. The cubic root of 13748678 is about 239.5633147197.

The spelling of 13748678 in words is "thirteen million, seven hundred forty-eight thousand, six hundred seventy-eight".