4012169 has 12 divisors (see below), whose sum is σ = 4795524. Its totient is φ = 3344544.

The previous prime is 4012163. The next prime is 4012171. The reversal of 4012169 is 9612104.

It is a happy number.

4012169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3841600 + 170569 = 1960^2 + 413^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4012169 is a prime.

It is a super-2 number, since 2×4012169² = 32195000169122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (399627).

Almost surely, 2^4012169 is an apocalyptic number.

4012169 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4012169 is a deficient number, since it is larger than the sum of its proper divisors (783355).

4012169 is a wasteful number, since it uses less digits than its factorization.

4012169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 4012169 is about 2003.0399396917. The cubic root of 4012169 is about 158.9009179244.

The spelling of 4012169 in words is "four million, twelve thousand, one hundred sixty-nine".