11960557 has 24 divisors (see below), whose sum is σ = 15184800. Its totient is φ = 9356256.

The previous prime is 11960551. The next prime is 11960569. The reversal of 11960557 is 75506911.

11960557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11960557 - 2¹¹ = 11958509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11960551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26778 + ... + 27220.

It is an arithmetic number, because the mean of its divisors is an integer number (632700).

Almost surely, 2^11960557 is an apocalyptic number.

It is an amenable number.

11960557 is a deficient number, since it is larger than the sum of its proper divisors (3224243).

11960557 is a wasteful number, since it uses less digits than its factorization.

11960557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 11960557 is about 3458.4038225748. The cubic root of 11960557 is about 228.6917344909.

The spelling of 11960557 in words is "eleven million, nine hundred sixty thousand, five hundred fifty-seven".