12894749 has 8 divisors (see below), whose sum is σ = 15512640. Its totient is φ = 10470816.

The previous prime is 12894733. The next prime is 12894757. The reversal of 12894749 is 94749821.

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 12894749 - 2⁴ = 12894733 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 (12894709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48344 + ... + 48609.

It is an arithmetic number, because the mean of its divisors is an integer number (1939080).

Almost surely, 2^12894749 is an apocalyptic number.

12894749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12894749 is a deficient number, since it is larger than the sum of its proper divisors (2617891).

12894749 is an equidigital number, since it uses as much as digits as its factorization.

12894749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96979.

The product of its digits is 145152, while the sum is 44.

The square root of 12894749 is about 3590.9259251619. The cubic root of 12894749 is about 234.4971835578.

The spelling of 12894749 in words is "twelve million, eight hundred ninety-four thousand, seven hundred forty-nine".