13904122 has 4 divisors (see below), whose sum is σ = 20856186. Its totient is φ = 6952060.

The previous prime is 13904101. The next prime is 13904123. The reversal of 13904122 is 22140931.

13904122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 7447441 + 6456681 = 2729^2 + 2541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13904093 and 13904102.

It is not an unprimeable number, because it can be changed into a prime (13904123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3476029 + ... + 3476032.

Almost surely, 2^13904122 is an apocalyptic number.

13904122 is a deficient number, since it is larger than the sum of its proper divisors (6952064).

13904122 is an equidigital number, since it uses as much as digits as its factorization.

13904122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952063.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13904122 is about 3728.8231387396. The cubic root of 13904122 is about 240.4627760676.

The spelling of 13904122 in words is "thirteen million, nine hundred four thousand, one hundred twenty-two".