12460240 has 40 divisors (see below), whose sum is σ = 31201128. Its totient is φ = 4600320.

The previous prime is 12460237. The next prime is 12460241. The reversal of 12460240 is 4206421.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 10316944 = 1464^2 + 3212^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12460241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951 + ... + 7030.

Almost surely, 2^12460240 is an apocalyptic number.

12460240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12460240 is an abundant number, since it is smaller than the sum of its proper divisors (18740888).

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

12460240 is a wasteful number, since it uses less digits than its factorization.

12460240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007 (or 12001 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12460240 is about 3529.9065143428. The cubic root of 12460240 is about 231.8331142269.

Adding to 12460240 its reverse (4206421), we get a palindrome (16666661).

The spelling of 12460240 in words is "twelve million, four hundred sixty thousand, two hundred forty".