13147398 has 48 divisors (see below), whose sum is σ = 32438016. Its totient is φ = 3809520.

The previous prime is 13147397. The next prime is 13147399. The reversal of 13147398 is 89374131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13147397) and next prime (13147399).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3111 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (675792).

Almost surely, 2^13147398 is an apocalyptic number.

13147398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13147398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16219008).

13147398 is an abundant number, since it is smaller than the sum of its proper divisors (19290618).

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

13147398 is a wasteful number, since it uses less digits than its factorization.

13147398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2926 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13147398 is about 3625.9340865493. The cubic root of 13147398 is about 236.0188029642.

The spelling of 13147398 in words is "thirteen million, one hundred forty-seven thousand, three hundred ninety-eight".