13699008 has 84 divisors (see below), whose sum is σ = 41605200. Its totient is φ = 4294656.

The previous prime is 13699003. The next prime is 13699027. The reversal of 13699008 is 80099631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13699001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9093 + ... + 10491.

It is an arithmetic number, because the mean of its divisors is an integer number (495300).

Almost surely, 2^13699008 is an apocalyptic number.

13699008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13699008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20802600).

13699008 is an abundant number, since it is smaller than the sum of its proper divisors (27906192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13699008 is a wasteful number, since it uses less digits than its factorization.

13699008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 13699008 is about 3701.2170971182. The cubic root of 13699008 is about 239.2744756032.

The spelling of 13699008 in words is "thirteen million, six hundred ninety-nine thousand, eight".