12801345 has 16 divisors (see below), whose sum is σ = 21560640. Its totient is φ = 6467904.

The previous prime is 12801337. The next prime is 12801359. The reversal of 12801345 is 54310821.

It is not a de Polignac number, because 12801345 - 2³ = 12801337 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22174 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (1347540).

Almost surely, 2^12801345 is an apocalyptic number.

12801345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12801345 is a deficient number, since it is larger than the sum of its proper divisors (8759295).

12801345 is a wasteful number, since it uses less digits than its factorization.

12801345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44944.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12801345 is about 3577.8967285264. The cubic root of 12801345 is about 233.9296121114.

The spelling of 12801345 in words is "twelve million, eight hundred one thousand, three hundred forty-five".