13697898 has 16 divisors (see below), whose sum is σ = 28837920. Its totient is φ = 4325616.

The previous prime is 13697891. The next prime is 13697911. The reversal of 13697898 is 89879631.

It is a self number, because there is not a number n which added to its sum of digits gives 13697898.

It is not an unprimeable number, because it can be changed into a prime (13697891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59965 + ... + 60192.

It is an arithmetic number, because the mean of its divisors is an integer number (1802370).

Almost surely, 2^13697898 is an apocalyptic number.

13697898 is an abundant number, since it is smaller than the sum of its proper divisors (15140022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13697898 is a wasteful number, since it uses less digits than its factorization.

13697898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120181.

The product of its digits is 653184, while the sum is 51.

The square root of 13697898 is about 3701.0671434061. The cubic root of 13697898 is about 239.2680128033.

The spelling of 13697898 in words is "thirteen million, six hundred ninety-seven thousand, eight hundred ninety-eight".