11857080 has 32 divisors (see below), whose sum is σ = 35571600. Its totient is φ = 3161856.

The previous prime is 11857073. The next prime is 11857081. The reversal of 11857080 is 8075811.

It is a super-2 number, since 2×11857080² = 281180692252800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49285 + ... + 49524.

Almost surely, 2^11857080 is an apocalyptic number.

11857080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11857080 is an abundant number, since it is smaller than the sum of its proper divisors (23714520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11857080 is a wasteful number, since it uses less digits than its factorization.

11857080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98823 (or 98819 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 11857080 is about 3443.4110994768. The cubic root of 11857080 is about 228.0303129903.

The spelling of 11857080 in words is "eleven million, eight hundred fifty-seven thousand, eighty".