13855426 has 16 divisors (see below), whose sum is σ = 22591800. Its totient is φ = 6334848.

The previous prime is 13855421. The next prime is 13855433. The reversal of 13855426 is 62455831.

13855426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11909401 + 1946025 = 3451^2 + 1395^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13855391 and 13855400.

It is not an unprimeable number, because it can be changed into a prime (13855421) 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, 390 + ... + 5278.

Almost surely, 2^13855426 is an apocalyptic number.

13855426 is a deficient number, since it is larger than the sum of its proper divisors (8736374).

13855426 is a wasteful number, since it uses less digits than its factorization.

13855426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013.

The product of its digits is 28800, while the sum is 34.

The square root of 13855426 is about 3722.2877374002. The cubic root of 13855426 is about 240.1817257901.

It can be divided in two parts, 138554 and 26, that multiplied together give a square (3602404 = 1898²).

The spelling of 13855426 in words is "thirteen million, eight hundred fifty-five thousand, four hundred twenty-six".