13920362 has 16 divisors (see below), whose sum is σ = 21549192. Its totient is φ = 6739200.

The previous prime is 13920349. The next prime is 13920367. The reversal of 13920362 is 26302931.

It is a Cunningham number, because it is equal to 3731²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 12453841 + 1466521 = 3529^2 + 1211^2 .

It is a super-2 number, since 2×13920362² = 387552956422088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13920367) 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 7 ways as a sum of consecutive naturals, for example, 22862 + ... + 23462.

Almost surely, 2^13920362 is an apocalyptic number.

13920362 is a deficient number, since it is larger than the sum of its proper divisors (7628830).

13920362 is a wasteful number, since it uses less digits than its factorization.

13920362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13920362 is about 3731.0001340123. Note that the first 3 decimals coincide. The cubic root of 13920362 is about 240.5563597324.

The spelling of 13920362 in words is "thirteen million, nine hundred twenty thousand, three hundred sixty-two".