13734437 has 8 divisors (see below), whose sum is σ = 14166552. Its totient is φ = 13305600.

The previous prime is 13734421. The next prime is 13734443. The reversal of 13734437 is 73443731.

It is a Cunningham number, because it is equal to 3706²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 9278116 + 4456321 = 3046^2 + 2111^2 .

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 13734437 - 2⁴ = 13734421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13734407) 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, 9737 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (1770819).

Almost surely, 2^13734437 is an apocalyptic number.

It is an amenable number.

13734437 is a deficient number, since it is larger than the sum of its proper divisors (432115).

13734437 is a wasteful number, since it uses less digits than its factorization.

13734437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its digits is 21168, while the sum is 32.

The square root of 13734437 is about 3706.0001349163. Note that the first 3 decimals coincide. The cubic root of 13734437 is about 239.4805722245.

The spelling of 13734437 in words is "thirteen million, seven hundred thirty-four thousand, four hundred thirty-seven".