13480809 has 8 divisors (see below), whose sum is σ = 18025920. Its totient is φ = 8961456.

The previous prime is 13480807. The next prime is 13480843. The reversal of 13480809 is 90808431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13480809 - 2¹ = 13480807 is a prime.

It is a super-2 number, since 2×13480809² = 363464422588962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13480809.

It is not an unprimeable number, because it can be changed into a prime (13480807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5182 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (2253240).

Almost surely, 2^13480809 is an apocalyptic number.

It is an amenable number.

13480809 is a deficient number, since it is larger than the sum of its proper divisors (4545111).

13480809 is a wasteful number, since it uses less digits than its factorization.

13480809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12879.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13480809 is about 3671.6221210795. The cubic root of 13480809 is about 237.9972753495.

The spelling of 13480809 in words is "thirteen million, four hundred eighty thousand, eight hundred nine".