13170422 has 4 divisors (see below), whose sum is σ = 19755636. Its totient is φ = 6585210.

The previous prime is 13170419. The next prime is 13170431. The reversal of 13170422 is 22407131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22407131 = 73 ⋅306947.

It is a junction number, because it is equal to n+sod(n) for n = 13170394 and 13170403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3292604 + ... + 3292607.

It is an arithmetic number, because the mean of its divisors is an integer number (4938909).

Almost surely, 2^13170422 is an apocalyptic number.

13170422 is a deficient number, since it is larger than the sum of its proper divisors (6585214).

13170422 is an equidigital number, since it uses as much as digits as its factorization.

13170422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585213.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13170422 is about 3629.1076038057. The cubic root of 13170422 is about 236.1564963161.

Adding to 13170422 its reverse (22407131), we get a palindrome (35577553).

The spelling of 13170422 in words is "thirteen million, one hundred seventy thousand, four hundred twenty-two".