13389763 has 4 divisors (see below), whose sum is σ = 13432320. Its totient is φ = 13347208.

The previous prime is 13389757. The next prime is 13389767. The reversal of 13389763 is 36798331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36798331 = 547 ⋅67273.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13389763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13389767) 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, 20803 + ... + 21436.

It is an arithmetic number, because the mean of its divisors is an integer number (3358080).

Almost surely, 2^13389763 is an apocalyptic number.

13389763 is a deficient number, since it is larger than the sum of its proper divisors (42557).

13389763 is an equidigital number, since it uses as much as digits as its factorization.

13389763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42556.

The product of its digits is 81648, while the sum is 40.

The square root of 13389763 is about 3659.2025087442. The cubic root of 13389763 is about 237.4602733183.

The spelling of 13389763 in words is "thirteen million, three hundred eighty-nine thousand, seven hundred sixty-three".