13437425 has 6 divisors (see below), whose sum is σ = 16662438. Its totient is φ = 10749920.

The previous prime is 13437421. The next prime is 13437449. The reversal of 13437425 is 52473431.

It is a happy number.

13437425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3876961 + 9560464 = 1969^2 + 3092^2 .

It is not a de Polignac number, because 13437425 - 2² = 13437421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13437421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268724 + ... + 268773.

It is an arithmetic number, because the mean of its divisors is an integer number (2777073).

Almost surely, 2^13437425 is an apocalyptic number.

It is an amenable number.

13437425 is a deficient number, since it is larger than the sum of its proper divisors (3225013).

13437425 is an equidigital number, since it uses as much as digits as its factorization.

13437425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537507 (or 537502 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 13437425 is about 3665.7093447244. The cubic root of 13437425 is about 237.7416930147.

The spelling of 13437425 in words is "thirteen million, four hundred thirty-seven thousand, four hundred twenty-five".