12549893 has 16 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 11375616.

The previous prime is 12549877. The next prime is 12549907. The reversal of 12549893 is 39894521.

It is a cyclic number.

It is not a de Polignac number, because 12549893 - 2⁴ = 12549877 is a prime.

It is a super-2 number, since 2×12549893² = 314999628622898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12549893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12549863) 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, 90218 + ... + 90356.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^12549893 is an apocalyptic number.

It is an amenable number.

12549893 is a deficient number, since it is larger than the sum of its proper divisors (1239547).

12549893 is a wasteful number, since it uses less digits than its factorization.

12549893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its digits is 77760, while the sum is 41.

The square root of 12549893 is about 3542.5828148400. The cubic root of 12549893 is about 232.3878088231.

The spelling of 12549893 in words is "twelve million, five hundred forty-nine thousand, eight hundred ninety-three".