12893749 has 8 divisors (see below), whose sum is σ = 14114880. Its totient is φ = 11680800.

The previous prime is 12893743. The next prime is 12893767. The reversal of 12893749 is 94739821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12893749 - 2⁵ = 12893717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 5305.

It is an arithmetic number, because the mean of its divisors is an integer number (1764360).

Almost surely, 2^12893749 is an apocalyptic number.

It is an amenable number.

12893749 is a deficient number, since it is larger than the sum of its proper divisors (1221131).

12893749 is a wasteful number, since it uses less digits than its factorization.

12893749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its digits is 108864, while the sum is 43.

The square root of 12893749 is about 3590.7866826087. The cubic root of 12893749 is about 234.4911215749.

The spelling of 12893749 in words is "twelve million, eight hundred ninety-three thousand, seven hundred forty-nine".