11857630 has 16 divisors (see below), whose sum is σ = 21798720. Its totient is φ = 4641952.

The previous prime is 11857613. The next prime is 11857661. The reversal of 11857630 is 3675811.

It is a junction number, because it is equal to n+sod(n) for n = 11857592 and 11857601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12145 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (1362420).

Almost surely, 2^11857630 is an apocalyptic number.

11857630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11857630 is a deficient number, since it is larger than the sum of its proper divisors (9941090).

11857630 is a wasteful number, since it uses less digits than its factorization.

11857630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25283.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 11857630 is about 3443.4909612194. The cubic root of 11857630 is about 228.0338387244.

The spelling of 11857630 in words is "eleven million, eight hundred fifty-seven thousand, six hundred thirty".