12153798 has 48 divisors (see below), whose sum is σ = 28394496. Its totient is φ = 3746160.

The previous prime is 12153763. The next prime is 12153803. The reversal of 12153798 is 89735121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12361 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (591552).

Almost surely, 2^12153798 is an apocalyptic number.

12153798 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 12153798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14197248).

12153798 is an abundant number, since it is smaller than the sum of its proper divisors (16240698).

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

12153798 is a wasteful number, since it uses less digits than its factorization.

12153798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1006 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12153798 is about 3486.2297686756. The cubic root of 12153798 is about 229.9167814877.

The spelling of 12153798 in words is "twelve million, one hundred fifty-three thousand, seven hundred ninety-eight".