11861310 has 16 divisors (see below), whose sum is σ = 28467216. Its totient is φ = 3163008.

The previous prime is 11861303. The next prime is 11861327. The reversal of 11861310 is 1316811.

It is a super-2 number, since 2×11861310² = 281381349832200, which contains 22 as substring.

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, 197659 + ... + 197718.

It is an arithmetic number, because the mean of its divisors is an integer number (1779201).

Almost surely, 2^11861310 is an apocalyptic number.

11861310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11861310 is an abundant number, since it is smaller than the sum of its proper divisors (16605906).

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

11861310 is a wasteful number, since it uses less digits than its factorization.

11861310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395387.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11861310 is about 3444.0252612314. The cubic root of 11861310 is about 228.0574262858.

The spelling of 11861310 in words is "eleven million, eight hundred sixty-one thousand, three hundred ten".