11512725 has 24 divisors (see below), whose sum is σ = 21754560. Its totient is φ = 5262720.

The previous prime is 11512717. The next prime is 11512733. The reversal of 11512725 is 52721511.

It is an interprime number because it is at equal distance from previous prime (11512717) and next prime (11512733).

It is not a de Polignac number, because 11512725 - 2³ = 11512717 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11512695 and 11512704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10440 + ... + 11489.

It is an arithmetic number, because the mean of its divisors is an integer number (906440).

Almost surely, 2^11512725 is an apocalyptic number.

11512725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11512725 is a deficient number, since it is larger than the sum of its proper divisors (10241835).

11512725 is a wasteful number, since it uses less digits than its factorization.

11512725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21949 (or 21944 counting only the distinct ones).

The product of its digits is 700, while the sum is 24.

The square root of 11512725 is about 3393.0406717279. The cubic root of 11512725 is about 225.8010949958.

The spelling of 11512725 in words is "eleven million, five hundred twelve thousand, seven hundred twenty-five".