12465240 has 64 divisors (see below), whose sum is σ = 37778400. Its totient is φ = 3290112.

The previous prime is 12465239. The next prime is 12465253. The reversal of 12465240 is 4256421.

12465240 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12465240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12604 + ... + 13556.

Almost surely, 2^12465240 is an apocalyptic number.

12465240 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 12465240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18889200).

12465240 is an abundant number, since it is smaller than the sum of its proper divisors (25313160).

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

12465240 is a wasteful number, since it uses less digits than its factorization.

12465240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 12465240 is about 3530.6146773614. The cubic root of 12465240 is about 231.8641197976.

The spelling of 12465240 in words is "twelve million, four hundred sixty-five thousand, two hundred forty".