1345799 has 16 divisors (see below), whose sum is σ = 1731072. Its totient is φ = 1016928.

The previous prime is 1345787. The next prime is 1345811. The reversal of 1345799 is 9975431.

1345799 = T₁₆₂ + T₁₆₃ + ... + T₂₃₀.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1345787) and next prime (1345811).

It is a cyclic number.

It is not a de Polignac number, because 1345799 - 2⁴ = 1345783 is a prime.

It is a super-2 number, since 2×1345799² = 3622349896802, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (108192).

2^1345799 is an apocalyptic number.

1345799 is a deficient number, since it is larger than the sum of its proper divisors (385273).

1345799 is a wasteful number, since it uses less digits than its factorization.

1345799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 34020, while the sum is 38.

The square root of 1345799 is about 1160.0857726910. The cubic root of 1345799 is about 110.4061842349.

The spelling of 1345799 in words is "one million, three hundred forty-five thousand, seven hundred ninety-nine".