11931425 has 24 divisors (see below), whose sum is σ = 16531680. Its totient is φ = 8467200.

The previous prime is 11931407. The next prime is 11931431. The reversal of 11931425 is 52413911.

It is not a de Polignac number, because 11931425 - 2¹² = 11927329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11931394 and 11931403.

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 23 ways as a sum of consecutive naturals, for example, 11321 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (688820).

Almost surely, 2^11931425 is an apocalyptic number.

It is an amenable number.

11931425 is a deficient number, since it is larger than the sum of its proper divisors (4600255).

11931425 is a wasteful number, since it uses less digits than its factorization.

11931425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1068 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 11931425 is about 3454.1894852483. The cubic root of 11931425 is about 228.5059108163.

The spelling of 11931425 in words is "eleven million, nine hundred thirty-one thousand, four hundred twenty-five".