13420426 has 16 divisors (see below), whose sum is σ = 20468448. Its totient is φ = 6598800.

The previous prime is 13420397. The next prime is 13420453. The reversal of 13420426 is 62402431.

It is a happy number.

13420426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13420397 and 13420406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47281 + ... + 47563.

It is an arithmetic number, because the mean of its divisors is an integer number (1279278).

Almost surely, 2^13420426 is an apocalyptic number.

13420426 is a deficient number, since it is larger than the sum of its proper divisors (7048022).

13420426 is a wasteful number, since it uses less digits than its factorization.

13420426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 13420426 is about 3663.3899601326. The cubic root of 13420426 is about 237.6413990865.

Adding to 13420426 its reverse (62402431), we get a palindrome (75822857).

The spelling of 13420426 in words is "thirteen million, four hundred twenty thousand, four hundred twenty-six".