13402922 has 16 divisors (see below), whose sum is σ = 21740712. Its totient is φ = 6160320.

The previous prime is 13402913. The next prime is 13402937. The reversal of 13402922 is 22920431.

It is a Cunningham number, because it is equal to 3661²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2307361 + 11095561 = 1519^2 + 3331^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6272 + ... + 8132.

Almost surely, 2^13402922 is an apocalyptic number.

13402922 is a deficient number, since it is larger than the sum of its proper divisors (8337790).

13402922 is a wasteful number, since it uses less digits than its factorization.

13402922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13402922 is about 3661.0001365747. Note that the first 3 decimals coincide. The cubic root of 13402922 is about 237.5380371211.

The spelling of 13402922 in words is "thirteen million, four hundred two thousand, nine hundred twenty-two".