1345901712 has 40 divisors (see below), whose sum is σ = 3494951904. Its totient is φ = 446306304.

The previous prime is 1345901681. The next prime is 1345901723. The reversal of 1345901712 is 2171095431.

It is a super-2 number, since 2×1345901712² = 3622902836729061888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63378 + ... + 81905.

Almost surely, 2^1345901712 is an apocalyptic number.

1345901712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345901712 is an abundant number, since it is smaller than the sum of its proper divisors (2149050192).

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

1345901712 is a wasteful number, since it uses less digits than its factorization.

1345901712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145487 (or 145481 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1345901712 is about 36686.5331150274. The cubic root of 1345901712 is about 1104.0899291373.

The spelling of 1345901712 in words is "one billion, three hundred forty-five million, nine hundred one thousand, seven hundred twelve".