11897425 has 6 divisors (see below), whose sum is σ = 14752838. Its totient is φ = 9517920.

The previous prime is 11897423. The next prime is 11897449. The reversal of 11897425 is 52479811.

It can be written as a sum of positive squares in 3 ways, for example, as 1347921 + 10549504 = 1161^2 + 3248^2 .

It is not a de Polignac number, because 11897425 - 2¹ = 11897423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11897423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237924 + ... + 237973.

Almost surely, 2^11897425 is an apocalyptic number.

It is an amenable number.

11897425 is a deficient number, since it is larger than the sum of its proper divisors (2855413).

11897425 is an equidigital number, since it uses as much as digits as its factorization.

11897425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475907 (or 475902 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 11897425 is about 3449.2644143353. The cubic root of 11897425 is about 228.2886528211.

The spelling of 11897425 in words is "eleven million, eight hundred ninety-seven thousand, four hundred twenty-five".