13425678 has 48 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 3801168.

The previous prime is 13425653. The next prime is 13425679. The reversal of 13425678 is 87652431.

13425678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15583 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (698880).

Almost surely, 2^13425678 is an apocalyptic number.

13425678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13425678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16773120).

13425678 is an abundant number, since it is smaller than the sum of its proper divisors (20120562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13425678 is a wasteful number, since it uses less digits than its factorization.

13425678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 978 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13425678 is about 3664.1067124198. The cubic root of 13425678 is about 237.6723948699.

The spelling of 13425678 in words is "thirteen million, four hundred twenty-five thousand, six hundred seventy-eight".