13430425 has 12 divisors (see below), whose sum is σ = 17633916. Its totient is φ = 10112000.

The previous prime is 13430423. The next prime is 13430429. The reversal of 13430425 is 52403431.

It can be written as a sum of positive squares in 6 ways, for example, as 870489 + 12559936 = 933^2 + 3544^2 .

It is not a de Polignac number, because 13430425 - 2¹ = 13430423 is a prime.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13430396 and 13430405.

It is not an unprimeable number, because it can be changed into a prime (13430423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15376 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (1469493).

Almost surely, 2^13430425 is an apocalyptic number.

It is an amenable number.

13430425 is a deficient number, since it is larger than the sum of its proper divisors (4203491).

13430425 is a wasteful number, since it uses less digits than its factorization.

13430425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31628 (or 31623 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13430425 is about 3664.7544256062. The cubic root of 13430425 is about 237.7004033352.

Adding to 13430425 its reverse (52403431), we get a palindrome (65833856).

The spelling of 13430425 in words is "thirteen million, four hundred thirty thousand, four hundred twenty-five".