12542470 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 4716000.

The previous prime is 12542459. The next prime is 12542477. The reversal of 12542470 is 7424521.

12542470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542477) 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, 47559 + ... + 47821.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^12542470 is an apocalyptic number.

12542470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12542470 is a deficient number, since it is larger than the sum of its proper divisors (11407610).

12542470 is a wasteful number, since it uses less digits than its factorization.

12542470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12542470 is about 3541.5349779439. The cubic root of 12542470 is about 232.3419822725.

Adding to 12542470 its reverse (7424521), we get a palindrome (19966991).

The spelling of 12542470 in words is "twelve million, five hundred forty-two thousand, four hundred seventy".