12801258 has 12 divisors (see below), whose sum is σ = 27736098. Its totient is φ = 4267080.

The previous prime is 12801247. The next prime is 12801259. The reversal of 12801258 is 85210821.

12801258 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8277129 + 4524129 = 2877^2 + 2127^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12801259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355573 + ... + 355608.

Almost surely, 2^12801258 is an apocalyptic number.

12801258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12801258 is an abundant number, since it is smaller than the sum of its proper divisors (14934840).

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

12801258 is a wasteful number, since it uses less digits than its factorization.

12801258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711189 (or 711186 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12801258 is about 3577.8845705249. The cubic root of 12801258 is about 233.9290821691.

The spelling of 12801258 in words is "twelve million, eight hundred one thousand, two hundred fifty-eight".