13213425 has 12 divisors (see below), whose sum is σ = 21846320. Its totient is φ = 7047120.

The previous prime is 13213423. The next prime is 13213441. The reversal of 13213425 is 52431231.

It is not a de Polignac number, because 13213425 - 2¹ = 13213423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13213423) 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, 88015 + ... + 88164.

Almost surely, 2^13213425 is an apocalyptic number.

13213425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13213425 is a deficient number, since it is larger than the sum of its proper divisors (8632895).

13213425 is a wasteful number, since it uses less digits than its factorization.

13213425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176192 (or 176187 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 13213425 is about 3635.0275102123. The cubic root of 13213425 is about 236.4132434655.

Adding to 13213425 its reverse (52431231), we get a palindrome (65644656).

The spelling of 13213425 in words is "thirteen million, two hundred thirteen thousand, four hundred twenty-five".