11919425 has 12 divisors (see below), whose sum is σ = 16891776. Its totient is φ = 8173200.

The previous prime is 11919421. The next prime is 11919437. The reversal of 11919425 is 52491911.

It is not a de Polignac number, because 11919425 - 2² = 11919421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11919391 and 11919400.

It is not an unprimeable number, because it can be changed into a prime (11919421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33881 + ... + 34230.

It is an arithmetic number, because the mean of its divisors is an integer number (1407648).

Almost surely, 2^11919425 is an apocalyptic number.

It is an amenable number.

11919425 is a deficient number, since it is larger than the sum of its proper divisors (4972351).

11919425 is an equidigital number, since it uses as much as digits as its factorization.

11919425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68128 (or 68123 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 11919425 is about 3452.4520271830. The cubic root of 11919425 is about 228.4292787090.

The spelling of 11919425 in words is "eleven million, nine hundred nineteen thousand, four hundred twenty-five".