13507425 has 24 divisors (see below), whose sum is σ = 24814880. Its totient is φ = 7203600.

The previous prime is 13507411. The next prime is 13507427. The reversal of 13507425 is 52470531.

It is a happy number.

13507425 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13507425 - 2⁵ = 13507393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

13507425 is a modest number, since divided by 7425 gives 1350 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13507427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9331 + ... + 10680.

Almost surely, 2^13507425 is an apocalyptic number.

13507425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13507425 is a deficient number, since it is larger than the sum of its proper divisors (11307455).

13507425 is a wasteful number, since it uses less digits than its factorization.

13507425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030 (or 20019 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13507425 is about 3675.2448897999. The cubic root of 13507425 is about 238.1538033235.

Adding to 13507425 its reverse (52470531), we get a palindrome (65977956).

It can be divided in two parts, 13507 and 425, that multiplied together give a palindrome (5740475).

The spelling of 13507425 in words is "thirteen million, five hundred seven thousand, four hundred twenty-five".