13709542 has 24 divisors (see below), whose sum is σ = 25836048. Its totient is φ = 5340720.

The previous prime is 13709513. The next prime is 13709551. The reversal of 13709542 is 24590731.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2353 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (1076502).

Almost surely, 2^13709542 is an apocalyptic number.

13709542 is a deficient number, since it is larger than the sum of its proper divisors (12126506).

13709542 is a wasteful number, since it uses less digits than its factorization.

13709542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13709542 is about 3702.6398690664. The cubic root of 13709542 is about 239.3357907861.

The spelling of 13709542 in words is "thirteen million, seven hundred nine thousand, five hundred forty-two".