3129967 has 2 divisors, whose sum is σ = 3129968. Its totient is φ = 3129966.

The previous prime is 3129961. The next prime is 3129991. The reversal of 3129967 is 7699213.

It is a weak prime.

It is an emirp because it is prime and its reverse (7699213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3129967 - 2⁷ = 3129839 is a prime.

It is a Chen prime.

3129967 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564983 + 1564984.

It is an arithmetic number, because the mean of its divisors is an integer number (1564984).

Almost surely, 2^3129967 is an apocalyptic number.

3129967 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129967 is an equidigital number, since it uses as much as digits as its factorization.

3129967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 3129967 is about 1769.1712749194. The cubic root of 3129967 is about 146.2783050872.

It can be divided in two parts, 3129 and 967, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3129967 in words is "three million, one hundred twenty-nine thousand, nine hundred sixty-seven".