13739742 has 24 divisors (see below), whose sum is σ = 29862144. Its totient is φ = 4565664.

The previous prime is 13739741. The next prime is 13739753. The reversal of 13739742 is 24793731.

It is a junction number, because it is equal to n+sod(n) for n = 13739697 and 13739706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13739741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5898 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (1244256).

Almost surely, 2^13739742 is an apocalyptic number.

13739742 is an abundant number, since it is smaller than the sum of its proper divisors (16122402).

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

13739742 is a wasteful number, since it uses less digits than its factorization.

13739742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2381 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13739742 is about 3706.7157970365. The cubic root of 13739742 is about 239.5114018075.

The spelling of 13739742 in words is "thirteen million, seven hundred thirty-nine thousand, seven hundred forty-two".