13746737 has 2 divisors, whose sum is σ = 13746738. Its totient is φ = 13746736.

The previous prime is 13746731. The next prime is 13746739. The reversal of 13746737 is 73764731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 3352561 = 3224^2 + 1831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13746737 is a prime.

Together with 13746739, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₉₄₆₆₅ and since 13746737 and 894665 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13746737.

It is not a weakly prime, because it can be changed into another prime (13746731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6873368 + 6873369.

It is an arithmetic number, because the mean of its divisors is an integer number (6873369).

Almost surely, 2^13746737 is an apocalyptic number.

It is an amenable number.

13746737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13746737 is an equidigital number, since it uses as much as digits as its factorization.

13746737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 38.

The square root of 13746737 is about 3707.6592346115. The cubic root of 13746737 is about 239.5520405624.

The spelling of 13746737 in words is "thirteen million, seven hundred forty-six thousand, seven hundred thirty-seven".