1314257812 has 36 divisors (see below), whose sum is σ = 2791787040. Its totient is φ = 538762224.

The previous prime is 1314257731. The next prime is 1314257827. The reversal of 1314257812 is 2187524131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141262 + ... + 150277.

It is an arithmetic number, because the mean of its divisors is an integer number (77549640).

Almost surely, 2^1314257812 is an apocalyptic number.

It is an amenable number.

1314257812 is an abundant number, since it is smaller than the sum of its proper divisors (1477529228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1314257812 is a wasteful number, since it uses less digits than its factorization.

1314257812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291580 (or 291571 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 1314257812 is about 36252.6938585259. The cubic root of 1314257812 is about 1095.3683524057.

The spelling of 1314257812 in words is "one billion, three hundred fourteen million, two hundred fifty-seven thousand, eight hundred twelve".