13898011 has 4 divisors (see below), whose sum is σ = 14105512. Its totient is φ = 13690512.

The previous prime is 13898009. The next prime is 13898023. The reversal of 13898011 is 11089831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11089831 = 17 ⋅652343.

It is not a de Polignac number, because 13898011 - 2¹ = 13898009 is a prime.

It is a super-2 number, since 2×13898011² = 386309419512242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13898081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103650 + ... + 103783.

It is an arithmetic number, because the mean of its divisors is an integer number (3526378).

Almost surely, 2^13898011 is an apocalyptic number.

13898011 is a deficient number, since it is larger than the sum of its proper divisors (207501).

13898011 is an equidigital number, since it uses as much as digits as its factorization.

13898011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207500.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 13898011 is about 3728.0036212429. The cubic root of 13898011 is about 240.4275423108.

The spelling of 13898011 in words is "thirteen million, eight hundred ninety-eight thousand, eleven".