13267389 has 16 divisors (see below), whose sum is σ = 18777600. Its totient is φ = 8314416.

The previous prime is 13267381. The next prime is 13267391. The reversal of 13267389 is 98376231.

It is not a de Polignac number, because 13267389 - 2³ = 13267381 is a prime.

It is a super-2 number, since 2×13267389² = 352047221754642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13267381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442 + ... + 5700.

It is an arithmetic number, because the mean of its divisors is an integer number (1173600).

Almost surely, 2^13267389 is an apocalyptic number.

It is an amenable number.

13267389 is a deficient number, since it is larger than the sum of its proper divisors (5510211).

13267389 is a wasteful number, since it uses less digits than its factorization.

13267389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344.

The product of its digits is 54432, while the sum is 39.

The square root of 13267389 is about 3642.4427243266. The cubic root of 13267389 is about 236.7346457722.

The spelling of 13267389 in words is "thirteen million, two hundred sixty-seven thousand, three hundred eighty-nine".