11399425 has 6 divisors (see below), whose sum is σ = 14135318. Its totient is φ = 9119520.

The previous prime is 11399389. The next prime is 11399471. The reversal of 11399425 is 52499311.

It can be written as a sum of positive squares in 3 ways, for example, as 156816 + 11242609 = 396^2 + 3353^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11399425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 227964 + ... + 228013.

Almost surely, 2^11399425 is an apocalyptic number.

It is an amenable number.

11399425 is a deficient number, since it is larger than the sum of its proper divisors (2735893).

11399425 is an equidigital number, since it uses as much as digits as its factorization.

11399425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455987 (or 455982 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 11399425 is about 3376.3034520019. The cubic root of 11399425 is about 225.0579274718.

The spelling of 11399425 in words is "eleven million, three hundred ninety-nine thousand, four hundred twenty-five".