13730737 has 8 divisors (see below), whose sum is σ = 14557952. Its totient is φ = 12927600.

The previous prime is 13730729. The next prime is 13730767. The reversal of 13730737 is 73703731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13730737 - 2³ = 13730729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13730699 and 13730708.

It is not an unprimeable number, because it can be changed into a prime (13730767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4839 + ... + 7132.

It is an arithmetic number, because the mean of its divisors is an integer number (1819744).

Almost surely, 2^13730737 is an apocalyptic number.

It is an amenable number.

13730737 is a deficient number, since it is larger than the sum of its proper divisors (827215).

13730737 is a wasteful number, since it uses less digits than its factorization.

13730737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039.

The product of its (nonzero) digits is 9261, while the sum is 31.

The square root of 13730737 is about 3705.5009108081. The cubic root of 13730737 is about 239.4590652709.

The spelling of 13730737 in words is "thirteen million, seven hundred thirty thousand, seven hundred thirty-seven".