4012669 has 2 divisors, whose sum is σ = 4012670. Its totient is φ = 4012668.

The previous prime is 4012639. The next prime is 4012681. The reversal of 4012669 is 9662104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 131769 = 1970^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012669 - 2⁹ = 4012157 is a prime.

It is a super-2 number, since 2×4012669² = 32203025007122, which contains 22 as substring.

4012669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006334 + 2006335.

It is an arithmetic number, because the mean of its divisors is an integer number (2006335).

Almost surely, 2^4012669 is an apocalyptic number.

It is an amenable number.

4012669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012669 is an equidigital number, since it uses as much as digits as its factorization.

4012669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4012669 is about 2003.1647460955. The cubic root of 4012669 is about 158.9075184406.

The spelling of 4012669 in words is "four million, twelve thousand, six hundred sixty-nine".