1312654027 has 4 divisors (see below), whose sum is σ = 1312897896. Its totient is φ = 1312410160.

The previous prime is 1312654019. The next prime is 1312654033. The reversal of 1312654027 is 7204562131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312654027 - 2³ = 1312654019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312654027.

It is not an unprimeable number, because it can be changed into a prime (1312654037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113674 + ... + 124687.

It is an arithmetic number, because the mean of its divisors is an integer number (328224474).

Almost surely, 2^1312654027 is an apocalyptic number.

1312654027 is a deficient number, since it is larger than the sum of its proper divisors (243869).

1312654027 is an equidigital number, since it uses as much as digits as its factorization.

1312654027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243868.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1312654027 is about 36230.5675776684. The cubic root of 1312654027 is about 1094.9226127694.

The spelling of 1312654027 in words is "one billion, three hundred twelve million, six hundred fifty-four thousand, twenty-seven".