13997700 has 108 divisors (see below), whose sum is σ = 44594368. Its totient is φ = 3672000.

The previous prime is 13997693. The next prime is 13997713. The reversal of 13997700 is 779931.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92625 + ... + 92775.

Almost surely, 2^13997700 is an apocalyptic number.

13997700 is a gapful number since it is divisible by the number (10) 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 13997700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22297184).

13997700 is an abundant number, since it is smaller than the sum of its proper divisors (30596668).

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

13997700 is a wasteful number, since it uses less digits than its factorization.

13997700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 13997700 is about 3741.3500237214. The cubic root of 13997700 is about 241.0010272966.

The spelling of 13997700 in words is "thirteen million, nine hundred ninety-seven thousand, seven hundred".