12395540 has 24 divisors (see below), whose sum is σ = 26138112. Its totient is φ = 4937760.

The previous prime is 12395519. The next prime is 12395549. The reversal of 12395540 is 4559321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395549) 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, 4277 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (1089088).

Almost surely, 2^12395540 is an apocalyptic number.

12395540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12395540 is an abundant number, since it is smaller than the sum of its proper divisors (13742572).

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

12395540 is a wasteful number, since it uses less digits than its factorization.

12395540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 12395540 is about 3520.7300379325. The cubic root of 12395540 is about 231.4311519443.

The spelling of 12395540 in words is "twelve million, three hundred ninety-five thousand, five hundred forty".