1345992 has 32 divisors (see below), whose sum is σ = 3564000. Its totient is φ = 422144.

The previous prime is 1345987. The next prime is 1345997. The reversal of 1345992 is 2995431.

It is an interprime number because it is at equal distance from previous prime (1345987) and next prime (1345997).

It is not an unprimeable number, because it can be changed into a prime (1345997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (111375).

2^1345992 is an apocalyptic number.

1345992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345992 is an abundant number, since it is smaller than the sum of its proper divisors (2218008).

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

1345992 is a wasteful number, since it uses less digits than its factorization.

1345992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3321 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 1345992 is about 1160.1689532133. The cubic root of 1345992 is about 110.4114617380.

The spelling of 1345992 in words is "one million, three hundred forty-five thousand, nine hundred ninety-two".