13734398 has 4 divisors (see below), whose sum is σ = 20601600. Its totient is φ = 6867198.

The previous prime is 13734389. The next prime is 13734407. The reversal of 13734398 is 89343731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89343731 = 859 ⋅104009.

It is an interprime number because it is at equal distance from previous prime (13734389) and next prime (13734407).

It is a Curzon number.

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, 3433598 + ... + 3433601.

It is an arithmetic number, because the mean of its divisors is an integer number (5150400).

Almost surely, 2^13734398 is an apocalyptic number.

13734398 is a deficient number, since it is larger than the sum of its proper divisors (6867202).

13734398 is an equidigital number, since it uses as much as digits as its factorization.

13734398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867201.

The product of its digits is 54432, while the sum is 38.

The square root of 13734398 is about 3705.9948731751. The cubic root of 13734398 is about 239.4803455497.

Adding to 13734398 its sum of digits (38), we get a square (13734436 = 3706²).

The spelling of 13734398 in words is "thirteen million, seven hundred thirty-four thousand, three hundred ninety-eight".