13698122 has 4 divisors (see below), whose sum is σ = 20547186. Its totient is φ = 6849060.

The previous prime is 13698119. The next prime is 13698127. The reversal of 13698122 is 22189631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22189631 = 571 ⋅38861.

It can be written as a sum of positive squares in only one way, i.e., 13608721 + 89401 = 3689^2 + 299^2 .

It is not an unprimeable number, because it can be changed into a prime (13698127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424529 + ... + 3424532.

Almost surely, 2^13698122 is an apocalyptic number.

13698122 is a deficient number, since it is larger than the sum of its proper divisors (6849064).

13698122 is an equidigital number, since it uses as much as digits as its factorization.

13698122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849063.

The product of its digits is 5184, while the sum is 32.

The square root of 13698122 is about 3701.0974048247. The cubic root of 13698122 is about 239.2693170361.

The spelling of 13698122 in words is "thirteen million, six hundred ninety-eight thousand, one hundred twenty-two".