1345894012 has 24 divisors (see below), whose sum is σ = 2519584704. Its totient is φ = 626829312.

The previous prime is 1345893949. The next prime is 1345894027. The reversal of 1345894012 is 2104985431.

It is a super-2 number, since 2×1345894012² = 3622861383074912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95428 + ... + 108619.

It is an arithmetic number, because the mean of its divisors is an integer number (104982696).

Almost surely, 2^1345894012 is an apocalyptic number.

It is an amenable number.

1345894012 is a deficient number, since it is larger than the sum of its proper divisors (1173690692).

1345894012 is a wasteful number, since it uses less digits than its factorization.

1345894012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204165 (or 204163 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1345894012 is about 36686.4281717368. The cubic root of 1345894012 is about 1104.0878236075.

It can be divided in two parts, 134589 and 4012, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 1345894012 in words is "one billion, three hundred forty-five million, eight hundred ninety-four thousand, twelve".