1345965 has 16 divisors (see below), whose sum is σ = 2190336. Its totient is φ = 705600.

The previous prime is 1345957. The next prime is 1345973. The reversal of 1345965 is 5695431.

1345965 = 75² + 76² + ... + 164².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1345957) and next prime (1345973).

It is not a de Polignac number, because 1345965 - 2³ = 1345957 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹² + 4² + 5 + 9⁶ + 6⁷ + 5⁵ .

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (136896).

2^1345965 is an apocalyptic number.

1345965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345965 is a deficient number, since it is larger than the sum of its proper divisors (844371).

1345965 is a wasteful number, since it uses less digits than its factorization.

1345965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its digits is 16200, while the sum is 33.

The square root of 1345965 is about 1160.1573169187. The cubic root of 1345965 is about 110.4107234648.

The spelling of 1345965 in words is "one million, three hundred forty-five thousand, nine hundred sixty-five".