13776542 has 12 divisors (see below), whose sum is σ = 22377240. Its totient is φ = 6358248.

The previous prime is 13776541. The next prime is 13776557. The reversal of 13776542 is 24567731.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13776541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20042 + ... + 20717.

It is an arithmetic number, because the mean of its divisors is an integer number (1864770).

Almost surely, 2^13776542 is an apocalyptic number.

13776542 is a deficient number, since it is larger than the sum of its proper divisors (8600698).

13776542 is a wasteful number, since it uses less digits than its factorization.

13776542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40787 (or 40774 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 13776542 is about 3711.6764406397. The cubic root of 13776542 is about 239.7250439131.

The spelling of 13776542 in words is "thirteen million, seven hundred seventy-six thousand, five hundred forty-two".