13772689 has 8 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 11783040.

The previous prime is 13772683. The next prime is 13772729. The reversal of 13772689 is 98627731.

It is a happy number.

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 13772689 - 2¹³ = 13764497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13772683) 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, 3009 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (1971216).

Almost surely, 2^13772689 is an apocalyptic number.

It is an amenable number.

13772689 is a deficient number, since it is larger than the sum of its proper divisors (1997039).

13772689 is an equidigital number, since it uses as much as digits as its factorization.

13772689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695.

The product of its digits is 127008, while the sum is 43.

The square root of 13772689 is about 3711.1573666445. The cubic root of 13772689 is about 239.7026931974.

The spelling of 13772689 in words is "thirteen million, seven hundred seventy-two thousand, six hundred eighty-nine".