13170424 has 8 divisors (see below), whose sum is σ = 24694560. Its totient is φ = 6585208.

The previous prime is 13170419. The next prime is 13170431. The reversal of 13170424 is 42407131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13170395 and 13170404.

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, 823144 + ... + 823159.

It is an arithmetic number, because the mean of its divisors is an integer number (3086820).

Almost surely, 2^13170424 is an apocalyptic number.

It is an amenable number.

13170424 is a deficient number, since it is larger than the sum of its proper divisors (11524136).

13170424 is a wasteful number, since it uses less digits than its factorization.

13170424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646309 (or 1646305 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13170424 is about 3629.1078793555. The cubic root of 13170424 is about 236.1565082700.

Adding to 13170424 its reverse (42407131), we get a palindrome (55577555).

The spelling of 13170424 in words is "thirteen million, one hundred seventy thousand, four hundred twenty-four".