13798438 has 4 divisors (see below), whose sum is σ = 20697660. Its totient is φ = 6899218.

The previous prime is 13798429. The next prime is 13798451. The reversal of 13798438 is 83489731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13798394 and 13798403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449608 + ... + 3449611.

It is an arithmetic number, because the mean of its divisors is an integer number (5174415).

Almost surely, 2^13798438 is an apocalyptic number.

13798438 is a deficient number, since it is larger than the sum of its proper divisors (6899222).

13798438 is an equidigital number, since it uses as much as digits as its factorization.

13798438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899221.

The product of its digits is 145152, while the sum is 43.

The square root of 13798438 is about 3714.6248801191. The cubic root of 13798438 is about 239.8519804873.

The spelling of 13798438 in words is "thirteen million, seven hundred ninety-eight thousand, four hundred thirty-eight".