13898330 has 8 divisors (see below), whose sum is σ = 25017012. Its totient is φ = 5559328.

The previous prime is 13898327. The next prime is 13898341. The reversal of 13898330 is 3389831.

It can be written as a sum of positive squares in 2 ways, for example, as 13053769 + 844561 = 3613^2 + 919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694907 + ... + 694926.

Almost surely, 2^13898330 is an apocalyptic number.

13898330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13898330 is a deficient number, since it is larger than the sum of its proper divisors (11118682).

13898330 is a wasteful number, since it uses less digits than its factorization.

13898330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389840.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13898330 is about 3728.0464052906. The cubic root of 13898330 is about 240.4293818018.

The spelling of 13898330 in words is "thirteen million, eight hundred ninety-eight thousand, three hundred thirty".