13897650 has 48 divisors (see below), whose sum is σ = 37122624. Its totient is φ = 3420480.

The previous prime is 13897613. The next prime is 13897661. The reversal of 13897650 is 5679831.

13897650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 13897599 and 13897608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1614 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (773388).

Almost surely, 2^13897650 is an apocalyptic number.

13897650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13897650 is an abundant number, since it is smaller than the sum of its proper divisors (23224974).

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

13897650 is a wasteful number, since it uses less digits than its factorization.

13897650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155 (or 7150 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13897650 is about 3727.9552035935. The cubic root of 13897650 is about 240.4254605958.

The spelling of 13897650 in words is "thirteen million, eight hundred ninety-seven thousand, six hundred fifty".