1300021412 has 6 divisors (see below), whose sum is σ = 2275037478. Its totient is φ = 650010704.

The previous prime is 1300021409. The next prime is 1300021423. The reversal of 1300021412 is 2141200031.

It can be written as a sum of positive squares in only one way, i.e., 1001975716 + 298045696 = 31654^2 + 17264^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162502673 + ... + 162502680.

It is an arithmetic number, because the mean of its divisors is an integer number (379172913).

Almost surely, 2^1300021412 is an apocalyptic number.

It is an amenable number.

1300021412 is a deficient number, since it is larger than the sum of its proper divisors (975016066).

1300021412 is a wasteful number, since it uses less digits than its factorization.

1300021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325005357 (or 325005355 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1300021412 is about 36055.8096844323. The cubic root of 1300021412 is about 1091.3988750550.

Adding to 1300021412 its reverse (2141200031), we get a palindrome (3441221443).

The spelling of 1300021412 in words is "one billion, three hundred million, twenty-one thousand, four hundred twelve".