13398426 has 16 divisors (see below), whose sum is σ = 29774400. Its totient is φ = 4466124.

The previous prime is 13398421. The next prime is 13398449. The reversal of 13398426 is 62489331.

13398426 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13398421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124006 + ... + 124113.

It is an arithmetic number, because the mean of its divisors is an integer number (1860900).

Almost surely, 2^13398426 is an apocalyptic number.

13398426 is an abundant number, since it is smaller than the sum of its proper divisors (16375974).

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

13398426 is a wasteful number, since it uses less digits than its factorization.

13398426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248130 (or 248124 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13398426 is about 3660.3860452144. The cubic root of 13398426 is about 237.5114734993.

It can be divided in two parts, 13398 and 426, that added together give a cube (13824 = 24³).

The spelling of 13398426 in words is "thirteen million, three hundred ninety-eight thousand, four hundred twenty-six".