12709398 has 32 divisors (see below), whose sum is σ = 27611136. Its totient is φ = 3876768.

The previous prime is 12709397. The next prime is 12709427. The reversal of 12709398 is 89390721.

12709398 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12709393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9265 + ... + 10547.

It is an arithmetic number, because the mean of its divisors is an integer number (862848).

Almost surely, 2^12709398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12709398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13805568).

12709398 is an abundant number, since it is smaller than the sum of its proper divisors (14901738).

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

12709398 is a wasteful number, since it uses less digits than its factorization.

12709398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 12709398 is about 3565.0242635920. The cubic root of 12709398 is about 233.3681911642.

The spelling of 12709398 in words is "twelve million, seven hundred nine thousand, three hundred ninety-eight".