12712802 has 4 divisors (see below), whose sum is σ = 19069206. Its totient is φ = 6356400.

The previous prime is 12712783. The next prime is 12712807. The reversal of 12712802 is 20821721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20821721 = 761 ⋅27361.

It can be written as a sum of positive squares in only one way, i.e., 9853321 + 2859481 = 3139^2 + 1691^2 .

It is not an unprimeable number, because it can be changed into a prime (12712807) 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 as a sum of consecutive naturals, namely, 3178199 + ... + 3178202.

Almost surely, 2^12712802 is an apocalyptic number.

12712802 is a deficient number, since it is larger than the sum of its proper divisors (6356404).

12712802 is an equidigital number, since it uses as much as digits as its factorization.

12712802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356403.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12712802 is about 3565.5016477349. The cubic root of 12712802 is about 233.3890238953.

The spelling of 12712802 in words is "twelve million, seven hundred twelve thousand, eight hundred two".