12826545 has 16 divisors (see below), whose sum is σ = 20630400. Its totient is φ = 6804864.

The previous prime is 12826543. The next prime is 12826549. The reversal of 12826545 is 54562821.

It is not a de Polignac number, because 12826545 - 2¹ = 12826543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12826543) 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, 837 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (1289400).

Almost surely, 2^12826545 is an apocalyptic number.

12826545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12826545 is a deficient number, since it is larger than the sum of its proper divisors (7803855).

12826545 is a wasteful number, since it uses less digits than its factorization.

12826545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504.

The product of its digits is 19200, while the sum is 33.

The square root of 12826545 is about 3581.4166191606. The cubic root of 12826545 is about 234.0830116760.

The spelling of 12826545 in words is "twelve million, eight hundred twenty-six thousand, five hundred forty-five".