13938426 has 16 divisors (see below), whose sum is σ = 30974400. Its totient is φ = 4646124.

The previous prime is 13938409. The next prime is 13938451. The reversal of 13938426 is 62483931.

It is a Curzon number.

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, 129006 + ... + 129113.

It is an arithmetic number, because the mean of its divisors is an integer number (1935900).

Almost surely, 2^13938426 is an apocalyptic number.

13938426 is an abundant number, since it is smaller than the sum of its proper divisors (17035974).

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

13938426 is a wasteful number, since it uses less digits than its factorization.

13938426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258130 (or 258124 counting only the distinct ones).

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

The square root of 13938426 is about 3733.4201478001. The cubic root of 13938426 is about 240.6603688045.

The spelling of 13938426 in words is "thirteen million, nine hundred thirty-eight thousand, four hundred twenty-six".