12542659 has 8 divisors (see below), whose sum is σ = 13128192. Its totient is φ = 11960520.

The previous prime is 12542657. The next prime is 12542723. The reversal of 12542659 is 95624521.

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 12542659 - 2¹ = 12542657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12542653) 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, 9574 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (1641024).

Almost surely, 2^12542659 is an apocalyptic number.

12542659 is a deficient number, since it is larger than the sum of its proper divisors (585533).

12542659 is a wasteful number, since it uses less digits than its factorization.

12542659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697.

The product of its digits is 21600, while the sum is 34.

The square root of 12542659 is about 3541.5616611885. The cubic root of 12542659 is about 232.3431493051.

The spelling of 12542659 in words is "twelve million, five hundred forty-two thousand, six hundred fifty-nine".