13737641 has 4 divisors (see below), whose sum is σ = 13764432. Its totient is φ = 13710852.

The previous prime is 13737631. The next prime is 13737643. The reversal of 13737641 is 14673731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13737641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13737598 and 13737607.

It is not an unprimeable number, because it can be changed into a prime (13737643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12611 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (3441108).

Almost surely, 2^13737641 is an apocalyptic number.

It is an amenable number.

13737641 is a deficient number, since it is larger than the sum of its proper divisors (26791).

13737641 is an equidigital number, since it uses as much as digits as its factorization.

13737641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26790.

The product of its digits is 10584, while the sum is 32.

The square root of 13737641 is about 3706.4323816846. The cubic root of 13737641 is about 239.4991929634.

The spelling of 13737641 in words is "thirteen million, seven hundred thirty-seven thousand, six hundred forty-one".