13798961 has 6 divisors (see below), whose sum is σ = 15167586. Its totient is φ = 12544400.

The previous prime is 13798949. The next prime is 13798963. The reversal of 13798961 is 16989731.

It can be written as a sum of positive squares in only one way, i.e., 9150625 + 4648336 = 3025^2 + 2156^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13798961 is a prime.

It is a super-3 number, since 3×13798961³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13798963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56900 + ... + 57141.

It is an arithmetic number, because the mean of its divisors is an integer number (2527931).

Almost surely, 2^13798961 is an apocalyptic number.

13798961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13798961 is a deficient number, since it is larger than the sum of its proper divisors (1368625).

13798961 is a wasteful number, since it uses less digits than its factorization.

13798961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114063 (or 114052 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 13798961 is about 3714.6952768700. The cubic root of 13798961 is about 239.8550108062.

The spelling of 13798961 in words is "thirteen million, seven hundred ninety-eight thousand, nine hundred sixty-one".