11870881 has 8 divisors (see below), whose sum is σ = 13251744. Its totient is φ = 10540320.

The previous prime is 11870869. The next prime is 11870893. The reversal of 11870881 is 18807811.

It is an interprime number because it is at equal distance from previous prime (11870869) and next prime (11870893).

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 11870881 - 2⁵ = 11870849 is a prime.

It is a super-2 number, since 2×11870881² = 281835631432322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11870381) 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, 12076 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (1656468).

Almost surely, 2^11870881 is an apocalyptic number.

11870881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11870881 is a deficient number, since it is larger than the sum of its proper divisors (1380863).

11870881 is a wasteful number, since it uses less digits than its factorization.

11870881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151.

The product of its (nonzero) digits is 3584, while the sum is 34.

The square root of 11870881 is about 3445.4144888533. The cubic root of 11870881 is about 228.1187503386.

The spelling of 11870881 in words is "eleven million, eight hundred seventy thousand, eight hundred eighty-one".