13809467 has 4 divisors (see below), whose sum is σ = 15782256. Its totient is φ = 11836680.

The previous prime is 13809461. The next prime is 13809479. The reversal of 13809467 is 76490831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76490831 = 2371 ⋅32261.

It is a cyclic number.

It is not a de Polignac number, because 13809467 - 2⁴ = 13809451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13809467.

It is not an unprimeable number, because it can be changed into a prime (13809461) 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, 986384 + ... + 986397.

It is an arithmetic number, because the mean of its divisors is an integer number (3945564).

Almost surely, 2^13809467 is an apocalyptic number.

13809467 is a deficient number, since it is larger than the sum of its proper divisors (1972789).

13809467 is an equidigital number, since it uses as much as digits as its factorization.

13809467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972788.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13809467 is about 3716.1091211104. The cubic root of 13809467 is about 239.9158675014.

The spelling of 13809467 in words is "thirteen million, eight hundred nine thousand, four hundred sixty-seven".