13690022 has 4 divisors (see below), whose sum is σ = 20535036. Its totient is φ = 6845010.

The previous prime is 13689997. The next prime is 13690031. The reversal of 13690022 is 22009631.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13690022.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3422504 + ... + 3422507.

It is an arithmetic number, because the mean of its divisors is an integer number (5133759).

Almost surely, 2^13690022 is an apocalyptic number.

13690022 is a deficient number, since it is larger than the sum of its proper divisors (6845014).

13690022 is an equidigital number, since it uses as much as digits as its factorization.

13690022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845013.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13690022 is about 3700.0029729718. The cubic root of 13690022 is about 239.2221460053. Note that the first 3 decimals are identical.

Adding to 13690022 its reverse (22009631), we get a palindrome (35699653).

The spelling of 13690022 in words is "thirteen million, six hundred ninety thousand, twenty-two".