11772525 has 12 divisors (see below), whose sum is σ = 19464032. Its totient is φ = 6278640.

The previous prime is 11772499. The next prime is 11772539. The reversal of 11772525 is 52527711.

It is not a de Polignac number, because 11772525 - 2¹⁴ = 11756141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11772492 and 11772501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78409 + ... + 78558.

Almost surely, 2^11772525 is an apocalyptic number.

11772525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11772525 is a deficient number, since it is larger than the sum of its proper divisors (7691507).

11772525 is a wasteful number, since it uses less digits than its factorization.

11772525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156980 (or 156975 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 11772525 is about 3431.1113359960. Note that the first 3 decimals coincide. The cubic root of 11772525 is about 227.4869774778.

The spelling of 11772525 in words is "eleven million, seven hundred seventy-two thousand, five hundred twenty-five".