12888045 has 16 divisors (see below), whose sum is σ = 22912320. Its totient is φ = 6873552.

The previous prime is 12888037. The next prime is 12888047. The reversal of 12888045 is 54088821.

It is not a de Polignac number, because 12888045 - 2³ = 12888037 is a prime.

It is a super-2 number, since 2×12888045² = 332203407844050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12888047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47599 + ... + 47868.

It is an arithmetic number, because the mean of its divisors is an integer number (1432020).

Almost surely, 2^12888045 is an apocalyptic number.

12888045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12888045 is a deficient number, since it is larger than the sum of its proper divisors (10024275).

12888045 is an equidigital number, since it uses as much as digits as its factorization.

12888045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95481 (or 95475 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 12888045 is about 3589.9923398247. The cubic root of 12888045 is about 234.4565380300.

The spelling of 12888045 in words is "twelve million, eight hundred eighty-eight thousand, forty-five".