12747995 has 16 divisors (see below), whose sum is σ = 16861152. Its totient is φ = 9192960.

The previous prime is 12747983. The next prime is 12748013. The reversal of 12747995 is 59974721.

It is not a de Polignac number, because 12747995 - 2¹⁴ = 12731611 is a prime.

It is a super-2 number, since 2×12747995² = 325022753040050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (1053822).

Almost surely, 2^12747995 is an apocalyptic number.

12747995 is a deficient number, since it is larger than the sum of its proper divisors (4113157).

12747995 is a wasteful number, since it uses less digits than its factorization.

12747995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622.

The product of its digits is 158760, while the sum is 44.

The square root of 12747995 is about 3570.4334470761. The cubic root of 12747995 is about 233.6041899992.

The spelling of 12747995 in words is "twelve million, seven hundred forty-seven thousand, nine hundred ninety-five".