7981412 has 6 divisors (see below), whose sum is σ = 13967478. Its totient is φ = 3990704.

The previous prime is 7981411. The next prime is 7981417. The reversal of 7981412 is 2141897.

It can be written as a sum of positive squares in only one way, i.e., 7540516 + 440896 = 2746^2 + 664^2 .

It is not an unprimeable number, because it can be changed into a prime (7981411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997673 + ... + 997680.

It is an arithmetic number, because the mean of its divisors is an integer number (2327913).

Almost surely, 2^7981412 is an apocalyptic number.

It is an amenable number.

7981412 is a deficient number, since it is larger than the sum of its proper divisors (5986066).

7981412 is a wasteful number, since it uses less digits than its factorization.

7981412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995357 (or 1995355 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 7981412 is about 2825.1392886015. The cubic root of 7981412 is about 199.8449798748.

The spelling of 7981412 in words is "seven million, nine hundred eighty-one thousand, four hundred twelve".