11927145 has 16 divisors (see below), whose sum is σ = 19408320. Its totient is φ = 6252864.

The previous prime is 11927137. The next prime is 11927171. The reversal of 11927145 is 54172911.

It is not a de Polignac number, because 11927145 - 2³ = 11927137 is a prime.

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, 5854 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (1213020).

Almost surely, 2^11927145 is an apocalyptic number.

11927145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11927145 is a deficient number, since it is larger than the sum of its proper divisors (7481175).

11927145 is a wasteful number, since it uses less digits than its factorization.

11927145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544.

The product of its digits is 2520, while the sum is 30.

The square root of 11927145 is about 3453.5698921551. The cubic root of 11927145 is about 228.4785845954.

It can be divided in two parts, 119271 and 45, that added together give a triangular number (119316 = T₄₈₈).

The spelling of 11927145 in words is "eleven million, nine hundred twenty-seven thousand, one hundred forty-five".