1612971 has 12 divisors (see below), whose sum is σ = 2341872. Its totient is φ = 1069776.

The previous prime is 1612957. The next prime is 1612991. The reversal of 1612971 is 1792161.

It is not a de Polignac number, because 1612971 - 2¹⁰ = 1611947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1612931) 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, 2170 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (195156).

2^1612971 is an apocalyptic number.

1612971 is a deficient number, since it is larger than the sum of its proper divisors (728901).

1612971 is a wasteful number, since it uses less digits than its factorization.

1612971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 927 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1612971 is about 1270.0279524483. The cubic root of 1612971 is about 117.2759212136.

The spelling of 1612971 in words is "one million, six hundred twelve thousand, nine hundred seventy-one".