13699926 has 24 divisors (see below), whose sum is σ = 31429944. Its totient is φ = 4297920.

The previous prime is 13699921. The next prime is 13699949. The reversal of 13699926 is 62999631.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13699921) 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 11 ways as a sum of consecutive naturals, for example, 22080 + ... + 22691.

It is an arithmetic number, because the mean of its divisors is an integer number (1309581).

Almost surely, 2^13699926 is an apocalyptic number.

13699926 is an abundant number, since it is smaller than the sum of its proper divisors (17730018).

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

13699926 is a wasteful number, since it uses less digits than its factorization.

13699926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44796 (or 44793 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 13699926 is about 3701.3411083012. The cubic root of 13699926 is about 239.2798202496.

The spelling of 13699926 in words is "thirteen million, six hundred ninety-nine thousand, nine hundred twenty-six".