11870655 has 8 divisors (see below), whose sum is σ = 18993072. Its totient is φ = 6331008.

The previous prime is 11870633. The next prime is 11870671. The reversal of 11870655 is 55607811.

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

It is not a de Polignac number, because 11870655 - 2⁹ = 11870143 is a prime.

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, 395674 + ... + 395703.

It is an arithmetic number, because the mean of its divisors is an integer number (2374134).

Almost surely, 2^11870655 is an apocalyptic number.

11870655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11870655 is a deficient number, since it is larger than the sum of its proper divisors (7122417).

11870655 is an equidigital number, since it uses as much as digits as its factorization.

11870655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791385.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 11870655 is about 3445.3816914821. The cubic root of 11870655 is about 228.1173026739.

The spelling of 11870655 in words is "eleven million, eight hundred seventy thousand, six hundred fifty-five".