13897700 has 18 divisors (see below), whose sum is σ = 30158226. Its totient is φ = 5559040.

The previous prime is 13897673. The next prime is 13897711. The reversal of 13897700 is 779831.

13897700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 178084 + 13719616 = 422^2 + 3704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69389 + ... + 69588.

It is an arithmetic number, because the mean of its divisors is an integer number (1675457).

Almost surely, 2^13897700 is an apocalyptic number.

13897700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13897700 is an abundant number, since it is smaller than the sum of its proper divisors (16260526).

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

13897700 is a wasteful number, since it uses less digits than its factorization.

13897700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138991 (or 138984 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 13897700 is about 3727.9619096767. The cubic root of 13897700 is about 240.4257489241.

The spelling of 13897700 in words is "thirteen million, eight hundred ninety-seven thousand, seven hundred".