12469240 has 32 divisors (see below), whose sum is σ = 32064480. Its totient is φ = 4275072.

The previous prime is 12469231. The next prime is 12469267. The reversal of 12469240 is 4296421.

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 = 12469199 and 12469208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21987 + ... + 22546.

It is an arithmetic number, because the mean of its divisors is an integer number (1002015).

Almost surely, 2^12469240 is an apocalyptic number.

12469240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12469240 is an abundant number, since it is smaller than the sum of its proper divisors (19595240).

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

12469240 is a wasteful number, since it uses less digits than its factorization.

12469240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44551 (or 44547 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12469240 is about 3531.1811055226. The cubic root of 12469240 is about 231.8889182851. Note that the first 3 decimals are identical.

The spelling of 12469240 in words is "twelve million, four hundred sixty-nine thousand, two hundred forty".