12145924 has 36 divisors (see below), whose sum is σ = 25536000. Its totient is φ = 5034960.

The previous prime is 12145907. The next prime is 12145937. The reversal of 12145924 is 42954121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12145892 and 12145901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5077 + ... + 7075.

Almost surely, 2^12145924 is an apocalyptic number.

12145924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12145924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12768000).

12145924 is an abundant number, since it is smaller than the sum of its proper divisors (13390076).

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

12145924 is a wasteful number, since it uses less digits than its factorization.

12145924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2039 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 12145924 is about 3485.1002855011. The cubic root of 12145924 is about 229.8671192111.

The spelling of 12145924 in words is "twelve million, one hundred forty-five thousand, nine hundred twenty-four".