4012949 has 2 divisors, whose sum is σ = 4012950. Its totient is φ = 4012948.

The previous prime is 4012927. The next prime is 4012993. The reversal of 4012949 is 9492104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 2002225 = 1418^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012949 - 2¹² = 4008853 is a prime.

It is a super-2 number, since 2×4012949² = 32207519353202, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006474 + 2006475.

It is an arithmetic number, because the mean of its divisors is an integer number (2006475).

Almost surely, 2^4012949 is an apocalyptic number.

It is an amenable number.

4012949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012949 is an equidigital number, since it uses as much as digits as its factorization.

4012949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4012949 is about 2003.2346342853. The cubic root of 4012949 is about 158.9112144901.

The spelling of 4012949 in words is "four million, twelve thousand, nine hundred forty-nine".