12801567 has 8 divisors (see below), whose sum is σ = 17391024. Its totient is φ = 8373248.

The previous prime is 12801563. The next prime is 12801571. The reversal of 12801567 is 76510821.

It is an interprime number because it is at equal distance from previous prime (12801563) and next prime (12801571).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12801567 - 2² = 12801563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40098 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (2173878).

Almost surely, 2^12801567 is an apocalyptic number.

12801567 is a deficient number, since it is larger than the sum of its proper divisors (4589457).

12801567 is an equidigital number, since it uses as much as digits as its factorization.

12801567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80569.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12801567 is about 3577.9277522052. The cubic root of 12801567 is about 233.9309643671.

The spelling of 12801567 in words is "twelve million, eight hundred one thousand, five hundred sixty-seven".