13997346 has 16 divisors (see below), whose sum is σ = 30539808. Its totient is φ = 4241600.

The previous prime is 13997339. The next prime is 13997351. The reversal of 13997346 is 64379931.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13997298 and 13997307.

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 in 7 ways as a sum of consecutive naturals, for example, 105975 + ... + 106106.

It is an arithmetic number, because the mean of its divisors is an integer number (1908738).

Almost surely, 2^13997346 is an apocalyptic number.

13997346 is an abundant number, since it is smaller than the sum of its proper divisors (16542462).

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

13997346 is a wasteful number, since it uses less digits than its factorization.

13997346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212097.

The product of its digits is 122472, while the sum is 42.

The square root of 13997346 is about 3741.3027142962. The cubic root of 13997346 is about 240.9989956513.

It can be divided in two parts, 1399734 and 6, that multiplied together give a square (8398404 = 2898²).

The spelling of 13997346 in words is "thirteen million, nine hundred ninety-seven thousand, three hundred forty-six".