1312901074 has 4 divisors (see below), whose sum is σ = 1969351614. Its totient is φ = 656450536.

The previous prime is 1312901071. The next prime is 1312901141. The reversal of 1312901074 is 4701092131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4701092131 = 17449 ⋅269419.

It can be written as a sum of positive squares in only one way, i.e., 1155524049 + 157377025 = 33993^2 + 12545^2 .

It is a super-2 number, since 2×1312901074² = 3447418460220706952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312901071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328225267 + ... + 328225270.

Almost surely, 2^1312901074 is an apocalyptic number.

1312901074 is a deficient number, since it is larger than the sum of its proper divisors (656450540).

1312901074 is an equidigital number, since it uses as much as digits as its factorization.

1312901074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656450539.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1312901074 is about 36233.9767897480. The cubic root of 1312901074 is about 1094.9912981384.

The spelling of 1312901074 in words is "one billion, three hundred twelve million, nine hundred one thousand, seventy-four".