12525340 has 48 divisors (see below), whose sum is σ = 27897408. Its totient is φ = 4713984.

The previous prime is 12525301. The next prime is 12525347. The reversal of 12525340 is 4352521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33394 + ... + 33766.

It is an arithmetic number, because the mean of its divisors is an integer number (581196).

Almost surely, 2^12525340 is an apocalyptic number.

12525340 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 12525340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13948704).

12525340 is an abundant number, since it is smaller than the sum of its proper divisors (15372068).

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

12525340 is a wasteful number, since it uses less digits than its factorization.

12525340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12525340 is about 3539.1157087612. The cubic root of 12525340 is about 232.2361596435.

Adding to 12525340 its reverse (4352521), we get a palindrome (16877861).

The spelling of 12525340 in words is "twelve million, five hundred twenty-five thousand, three hundred forty".