13380869 has 4 divisors (see below), whose sum is σ = 13692096. Its totient is φ = 13069644.

The previous prime is 13380863. The next prime is 13380877. The reversal of 13380869 is 96808331.

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-13380869 is a prime.

It is a super-2 number, since 2×13380869² = 358095310390322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155549 + ... + 155634.

It is an arithmetic number, because the mean of its divisors is an integer number (3423024).

Almost surely, 2^13380869 is an apocalyptic number.

It is an amenable number.

13380869 is a deficient number, since it is larger than the sum of its proper divisors (311227).

13380869 is an equidigital number, since it uses as much as digits as its factorization.

13380869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311226.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 13380869 is about 3657.9870147391. The cubic root of 13380869 is about 237.4076848978.

The spelling of 13380869 in words is "thirteen million, three hundred eighty thousand, eight hundred sixty-nine".