12655542 has 16 divisors (see below), whose sum is σ = 26184240. Its totient is φ = 4072992.

The previous prime is 12655481. The next prime is 12655547. The reversal of 12655542 is 24555621.

12655542 is digitally balanced in base 2 and base 4, because in such bases 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 (12655547) 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, 36193 + ... + 36540.

It is an arithmetic number, because the mean of its divisors is an integer number (1636515).

Almost surely, 2^12655542 is an apocalyptic number.

12655542 is an abundant number, since it is smaller than the sum of its proper divisors (13528698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12655542 is a wasteful number, since it uses less digits than its factorization.

12655542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72767.

The product of its digits is 12000, while the sum is 30.

The square root of 12655542 is about 3557.4628599607. The cubic root of 12655542 is about 233.0380923433.

The spelling of 12655542 in words is "twelve million, six hundred fifty-five thousand, five hundred forty-two".