13798634 has 4 divisors (see below), whose sum is σ = 20697954. Its totient is φ = 6899316.

The previous prime is 13798621. The next prime is 13798639. The reversal of 13798634 is 43689731.

13798634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43689731 = 2411 ⋅18121.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 3073009 = 3275^2 + 1753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13798591 and 13798600.

It is not an unprimeable number, because it can be changed into a prime (13798639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449657 + ... + 3449660.

Almost surely, 2^13798634 is an apocalyptic number.

13798634 is a deficient number, since it is larger than the sum of its proper divisors (6899320).

13798634 is an equidigital number, since it uses as much as digits as its factorization.

13798634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899319.

The product of its digits is 108864, while the sum is 41.

The square root of 13798634 is about 3714.6512622318. The cubic root of 13798634 is about 239.8531161416.

The spelling of 13798634 in words is "thirteen million, seven hundred ninety-eight thousand, six hundred thirty-four".