12542079 has 32 divisors (see below), whose sum is σ = 19035648. Its totient is φ = 7280000.

The previous prime is 12542069. The next prime is 12542083. The reversal of 12542079 is 97024521.

It is a cyclic number.

It is not a de Polignac number, because 12542079 - 2⁹ = 12541567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124129 + ... + 124229.

It is an arithmetic number, because the mean of its divisors is an integer number (594864).

Almost surely, 2^12542079 is an apocalyptic number.

12542079 is a deficient number, since it is larger than the sum of its proper divisors (6493569).

12542079 is a wasteful number, since it uses less digits than its factorization.

12542079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12542079 is about 3541.4797754611. The cubic root of 12542079 is about 232.3395678980.

It can be divided in two parts, 1254 and 2079, that added together give a palindrome (3333).

The spelling of 12542079 in words is "twelve million, five hundred forty-two thousand, seventy-nine".