13998497 has 12 divisors (see below), whose sum is σ = 15649956. Its totient is φ = 12476160.

The previous prime is 13998493. The next prime is 13998557. The reversal of 13998497 is 79489931.

13998497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9709456 + 4289041 = 3116^2 + 2071^2 .

It is not a de Polignac number, because 13998497 - 2² = 13998493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4997 + ... + 7277.

It is an arithmetic number, because the mean of its divisors is an integer number (1304163).

Almost surely, 2^13998497 is an apocalyptic number.

13998497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13998497 is a deficient number, since it is larger than the sum of its proper divisors (1651459).

13998497 is a wasteful number, since it uses less digits than its factorization.

13998497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2317 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 13998497 is about 3741.4565345598. The cubic root of 13998497 is about 241.0056012426.

The spelling of 13998497 in words is "thirteen million, nine hundred ninety-eight thousand, four hundred ninety-seven".