11925587 has 2 divisors, whose sum is σ = 11925588. Its totient is φ = 11925586.

The previous prime is 11925553. The next prime is 11925593. The reversal of 11925587 is 78552911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11925587 - 2¹⁴ = 11909203 is a prime.

It is a Chen prime.

It is equal to p₇₈₃₄₇₉ and since 11925587 and 783479 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11925587.

It is not a weakly prime, because it can be changed into another prime (11925187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962793 + 5962794.

It is an arithmetic number, because the mean of its divisors is an integer number (5962794).

Almost surely, 2^11925587 is an apocalyptic number.

11925587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11925587 is an equidigital number, since it uses as much as digits as its factorization.

11925587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 38.

The square root of 11925587 is about 3453.3443210893. The cubic root of 11925587 is about 228.4686357173.

The spelling of 11925587 in words is "eleven million, nine hundred twenty-five thousand, five hundred eighty-seven".