13898061 has 20 divisors (see below), whose sum is σ = 21984732. Its totient is φ = 8719488.

The previous prime is 13898033. The next prime is 13898077. The reversal of 13898061 is 16089831.

13898061 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 4862025 = 3006^2 + 2205^2 .

It is not a de Polignac number, because 13898061 - 2⁶ = 13897997 is a prime.

It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 3670 + ... + 6423.

Almost surely, 2^13898061 is an apocalyptic number.

It is an amenable number.

13898061 is a deficient number, since it is larger than the sum of its proper divisors (8086671).

13898061 is a wasteful number, since it uses less digits than its factorization.

13898061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122 (or 10113 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 13898061 is about 3728.0103272389. The cubic root of 13898061 is about 240.4278306341.

The spelling of 13898061 in words is "thirteen million, eight hundred ninety-eight thousand, sixty-one".