12369240 has 128 divisors (see below), whose sum is σ = 44452800. Its totient is φ = 3041280.

The previous prime is 12369233. The next prime is 12369257. The reversal of 12369240 is 4296321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13600 + ... + 14480.

Almost surely, 2^12369240 is an apocalyptic number.

12369240 is a gapful number since it is divisible by the number (10) 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 12369240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22226400).

12369240 is an abundant number, since it is smaller than the sum of its proper divisors (32083560).

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

12369240 is a wasteful number, since it uses less digits than its factorization.

12369240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12369240 is about 3516.9930338288. The cubic root of 12369240 is about 231.2673578400.

The spelling of 12369240 in words is "twelve million, three hundred sixty-nine thousand, two hundred forty".