12807795 has 64 divisors (see below), whose sum is σ = 27546624. Its totient is φ = 4907520.

The previous prime is 12807791. The next prime is 12807799. The reversal of 12807795 is 59770821.

It is an interprime number because it is at equal distance from previous prime (12807791) and next prime (12807799).

It is not a de Polignac number, because 12807795 - 2² = 12807791 is a prime.

It is a super-2 number, since 2×12807795² = 328079225524050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12807791) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14589 + ... + 15441.

It is an arithmetic number, because the mean of its divisors is an integer number (430416).

Almost surely, 2^12807795 is an apocalyptic number.

12807795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12807795 is an abundant number, since it is smaller than the sum of its proper divisors (14738829).

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

12807795 is a wasteful number, since it uses less digits than its factorization.

12807795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 12807795 is about 3578.7979825634. The cubic root of 12807795 is about 233.9688942508.

The spelling of 12807795 in words is "twelve million, eight hundred seven thousand, seven hundred ninety-five".