13192420 has 12 divisors (see below), whose sum is σ = 27704124. Its totient is φ = 5276960.

The previous prime is 13192397. The next prime is 13192423. The reversal of 13192420 is 2429131.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 9597604 = 1896^2 + 3098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13192391 and 13192400.

It is not an unprimeable number, because it can be changed into a prime (13192423) 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 3 ways as a sum of consecutive naturals, for example, 329791 + ... + 329830.

It is an arithmetic number, because the mean of its divisors is an integer number (2308677).

Almost surely, 2^13192420 is an apocalyptic number.

13192420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13192420 is an abundant number, since it is smaller than the sum of its proper divisors (14511704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13192420 is a wasteful number, since it uses less digits than its factorization.

13192420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659630 (or 659628 counting only the distinct ones).

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

The square root of 13192420 is about 3632.1371119494. The cubic root of 13192420 is about 236.2879039246.

The spelling of 13192420 in words is "thirteen million, one hundred ninety-two thousand, four hundred twenty".