12626849 has 4 divisors (see below), whose sum is σ = 13291440. Its totient is φ = 11962260.

The previous prime is 12626843. The next prime is 12626851. The reversal of 12626849 is 94862621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94862621 = 7 ⋅13551803.

It is a cyclic number.

It is not a de Polignac number, because 12626849 - 2⁴ = 12626833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12626843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332267 + ... + 332304.

It is an arithmetic number, because the mean of its divisors is an integer number (3322860).

Almost surely, 2^12626849 is an apocalyptic number.

12626849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12626849 is a deficient number, since it is larger than the sum of its proper divisors (664591).

12626849 is an equidigital number, since it uses as much as digits as its factorization.

12626849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664590.

The product of its digits is 41472, while the sum is 38.

The square root of 12626849 is about 3553.4277817341. The cubic root of 12626849 is about 232.8618422420.

The spelling of 12626849 in words is "twelve million, six hundred twenty-six thousand, eight hundred forty-nine".