12654542 has 4 divisors (see below), whose sum is σ = 18981816. Its totient is φ = 6327270.

The previous prime is 12654539. The next prime is 12654557. The reversal of 12654542 is 24545621.

12654542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24545621 = 103 ⋅238307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3163634 + ... + 3163637.

It is an arithmetic number, because the mean of its divisors is an integer number (4745454).

Almost surely, 2^12654542 is an apocalyptic number.

12654542 is a deficient number, since it is larger than the sum of its proper divisors (6327274).

12654542 is an equidigital number, since it uses as much as digits as its factorization.

12654542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327273.

The product of its digits is 9600, while the sum is 29.

The square root of 12654542 is about 3557.3223075791. The cubic root of 12654542 is about 233.0319542095.

The spelling of 12654542 in words is "twelve million, six hundred fifty-four thousand, five hundred forty-two".