11631857 has 8 divisors (see below), whose sum is σ = 12476160. Its totient is φ = 10810800.

The previous prime is 11631853. The next prime is 11631877. The reversal of 11631857 is 75813611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11631857 - 2² = 11631853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11631853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 2^11631857 is an apocalyptic number.

It is an amenable number.

11631857 is a deficient number, since it is larger than the sum of its proper divisors (844303).

11631857 is a wasteful number, since it uses less digits than its factorization.

11631857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623.

The product of its digits is 5040, while the sum is 32.

The square root of 11631857 is about 3410.5508352757. The cubic root of 11631857 is about 226.5772761223.

The spelling of 11631857 in words is "eleven million, six hundred thirty-one thousand, eight hundred fifty-seven".