1345977 has 24 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 861840.

The previous prime is 1345973. The next prime is 1345987. The reversal of 1345977 is 7795431.

It is a happy number.

It is not a de Polignac number, because 1345977 - 2² = 1345973 is a prime.

1345977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1345973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6952 + ... + 7142.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2^1345977 is an apocalyptic number.

It is an amenable number.

1345977 is a deficient number, since it is larger than the sum of its proper divisors (750663).

1345977 is an equidigital number, since it uses as much as digits as its factorization.

1345977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 223 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 1345977 is about 1160.1624886196. The cubic root of 1345977 is about 110.4110515874.

The spelling of 1345977 in words is "one million, three hundred forty-five thousand, nine hundred seventy-seven".