13407225 has 24 divisors (see below), whose sum is σ = 23873472. Its totient is φ = 6600000.

The previous prime is 13407197. The next prime is 13407241. The reversal of 13407225 is 52270431.

It is not a de Polignac number, because 13407225 - 2¹⁰ = 13406201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13407195 and 13407204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5901 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (994728).

Almost surely, 2^13407225 is an apocalyptic number.

13407225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13407225 is a deficient number, since it is larger than the sum of its proper divisors (10466247).

13407225 is a wasteful number, since it uses less digits than its factorization.

13407225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777 (or 13772 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13407225 is about 3661.5877703532. The cubic root of 13407225 is about 237.5634548822.

Adding to 13407225 its reverse (52270431), we get a palindrome (65677656).

It can be divided in two parts, 13 and 407225, that multiplied together give a palindrome (5293925).

The spelling of 13407225 in words is "thirteen million, four hundred seven thousand, two hundred twenty-five".