13398941 has 4 divisors (see below), whose sum is σ = 14187132. Its totient is φ = 12610752.

The previous prime is 13398937. The next prime is 13398943. The reversal of 13398941 is 14989331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14989331 = 7 ⋅2141333.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 2042041 = 3370^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 13398941 - 2² = 13398937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13398895 and 13398904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394070 + ... + 394103.

It is an arithmetic number, because the mean of its divisors is an integer number (3546783).

Almost surely, 2^13398941 is an apocalyptic number.

It is an amenable number.

13398941 is a deficient number, since it is larger than the sum of its proper divisors (788191).

13398941 is an equidigital number, since it uses as much as digits as its factorization.

13398941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788190.

The product of its digits is 23328, while the sum is 38.

The square root of 13398941 is about 3660.4563923096. The cubic root of 13398941 is about 237.5145165642.

The spelling of 13398941 in words is "thirteen million, three hundred ninety-eight thousand, nine hundred forty-one".