13898850 has 144 divisors (see below), whose sum is σ = 42068736. Its totient is φ = 3024000.

The previous prime is 13898849. The next prime is 13898851. The reversal of 13898850 is 5889831.

It is an interprime number because it is at equal distance from previous prime (13898849) and next prime (13898851).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (13898851) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 227820 + ... + 227880.

It is an arithmetic number, because the mean of its divisors is an integer number (292144).

Almost surely, 2^13898850 is an apocalyptic number.

13898850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13898850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21034368).

13898850 is an abundant number, since it is smaller than the sum of its proper divisors (28169886).

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

13898850 is a wasteful number, since it uses less digits than its factorization.

13898850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 13898850 is about 3728.1161462594. The cubic root of 13898850 is about 240.4323802848.

The spelling of 13898850 in words is "thirteen million, eight hundred ninety-eight thousand, eight hundred fifty".