12542107 has 8 divisors (see below), whose sum is σ = 13857696. Its totient is φ = 11290752.

The previous prime is 12542099. The next prime is 12542113. The reversal of 12542107 is 70124521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12542107 - 2³ = 12542099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12542137) 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, 15648 + ... + 16429.

It is an arithmetic number, because the mean of its divisors is an integer number (1732212).

Almost surely, 2^12542107 is an apocalyptic number.

12542107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12542107 is a deficient number, since it is larger than the sum of its proper divisors (1315589).

12542107 is a wasteful number, since it uses less digits than its factorization.

12542107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32117.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12542107 is about 3541.4837286087. The cubic root of 12542107 is about 232.3397407960.

Adding to 12542107 its reverse (70124521), we get a palindrome (82666628).

The spelling of 12542107 in words is "twelve million, five hundred forty-two thousand, one hundred seven".