11927955 has 16 divisors (see below), whose sum is σ = 20553120. Its totient is φ = 5872128.

The previous prime is 11927939. The next prime is 11927977. The reversal of 11927955 is 55972911.

It is not a de Polignac number, because 11927955 - 2⁴ = 11927939 is a prime.

It is a super-2 number, since 2×11927955² = 284552220964050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30390 + ... + 30779.

It is an arithmetic number, because the mean of its divisors is an integer number (1284570).

Almost surely, 2^11927955 is an apocalyptic number.

11927955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11927955 is a deficient number, since it is larger than the sum of its proper divisors (8625165).

11927955 is a wasteful number, since it uses less digits than its factorization.

11927955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61190.

The product of its digits is 28350, while the sum is 39.

The square root of 11927955 is about 3453.6871601232. The cubic root of 11927955 is about 228.4837566480.

The spelling of 11927955 in words is "eleven million, nine hundred twenty-seven thousand, nine hundred fifty-five".